## ECalComponent

ECalComponent — Typically an appointment or task, part of the ECal object.

## Synopsis

                ECalComponent;
    enum        ECalComponentVType;
    enum        ECalComponentField;
    enum        ECalComponentClassification;
                ECalComponentDateTime;
    enum        ECalComponentPeriodType;
                ECalComponentPeriod;
    enum        ECalComponentRangeType;
                ECalComponentRange;
                ECalComponentText;
    enum        ECalComponentTransparency;
                ECalComponentAttendee;
                ECalComponentOrganizer;
    char*       e_cal_component_gen_uid         (void);
    ECalComponent* e_cal_component_new          (void);
    ECalComponent* e_cal_component_clone        (ECalComponent *comp);
    void        e_cal_component_set_new_vtype   (ECalComponent *comp,
                                                 ECalComponentVType type);
    gboolean    e_cal_component_set_icalcomponent
                                                (ECalComponent *comp,
                                                 icalcomponent *icalcomp);
    icalcomponent* e_cal_component_get_icalcomponent
                                                (ECalComponent *comp);
    void        e_cal_component_rescan          (ECalComponent *comp);
    void        e_cal_component_strip_errors    (ECalComponent *comp);
    ECalComponentVType e_cal_component_get_vtype
                                                (ECalComponent *comp);
    char*       e_cal_component_get_as_string   (ECalComponent *comp);
    void        e_cal_component_commit_sequence (ECalComponent *comp);
    void        e_cal_component_abort_sequence  (ECalComponent *comp);
    void        e_cal_component_get_uid         (ECalComponent *comp,
                                                 const char **uid);
    void        e_cal_component_set_uid         (ECalComponent *comp,
                                                 const char *uid);
    void        e_cal_component_get_categories  (ECalComponent *comp,
                                                 const char **categories);
    void        e_cal_component_set_categories  (ECalComponent *comp,
                                                 const char *categories);
    void        e_cal_component_get_categories_list
                                                (ECalComponent *comp,
                                                 GSList **categ_list);
    void        e_cal_component_set_categories_list
                                                (ECalComponent *comp,
                                                 GSList *categ_list);
    void        e_cal_component_get_classification
                                                (ECalComponent *comp,
                                                 ECalComponentClassification *classif);
    void        e_cal_component_set_classification
                                                (ECalComponent *comp,
                                                 ECalComponentClassification classif);
    void        e_cal_component_get_comment_list
                                                (ECalComponent *comp,
                                                 GSList **text_list);
    void        e_cal_component_set_comment_list
                                                (ECalComponent *comp,
                                                 GSList *text_list);
    void        e_cal_component_get_completed   (ECalComponent *comp,
                                                 struct icaltimetype **t);
    void        e_cal_component_set_completed   (ECalComponent *comp,
                                                 struct icaltimetype *t);
    void        e_cal_component_get_contact_list
                                                (ECalComponent *comp,
                                                 GSList **text_list);
    void        e_cal_component_set_contact_list
                                                (ECalComponent *comp,
                                                 GSList *text_list);
    void        e_cal_component_get_created     (ECalComponent *comp,
                                                 struct icaltimetype **t);
    void        e_cal_component_set_created     (ECalComponent *comp,
                                                 struct icaltimetype *t);
    void        e_cal_component_get_description_list
                                                (ECalComponent *comp,
                                                 GSList **text_list);
    void        e_cal_component_set_description_list
                                                (ECalComponent *comp,
                                                 GSList *text_list);
    void        e_cal_component_get_dtend       (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);
    void        e_cal_component_set_dtend       (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);
    void        e_cal_component_get_dtstamp     (ECalComponent *comp,
                                                 struct icaltimetype *t);
    void        e_cal_component_set_dtstamp     (ECalComponent *comp,
                                                 struct icaltimetype *t);
    void        e_cal_component_get_dtstart     (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);
    void        e_cal_component_set_dtstart     (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);
    void        e_cal_component_get_due         (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);
    void        e_cal_component_set_due         (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);
    void        e_cal_component_get_exdate_list (ECalComponent *comp,
                                                 GSList **exdate_list);
    void        e_cal_component_set_exdate_list (ECalComponent *comp,
                                                 GSList *exdate_list);
    gboolean    e_cal_component_has_exdates     (ECalComponent *comp);
    void        e_cal_component_get_exrule_list (ECalComponent *comp,
                                                 GSList **recur_list);
    void        e_cal_component_get_exrule_property_list
                                                (ECalComponent *comp,
                                                 GSList **recur_list);
    void        e_cal_component_set_exrule_list (ECalComponent *comp,
                                                 GSList *recur_list);
    gboolean    e_cal_component_has_exrules     (ECalComponent *comp);
    gboolean    e_cal_component_has_exceptions  (ECalComponent *comp);
    void        e_cal_component_get_geo         (ECalComponent *comp,
                                                 struct icalgeotype **geo);
    void        e_cal_component_set_geo         (ECalComponent *comp,
                                                 struct icalgeotype *geo);
    void        e_cal_component_get_last_modified
                                                (ECalComponent *comp,
                                                 struct icaltimetype **t);
    void        e_cal_component_set_last_modified
                                                (ECalComponent *comp,
                                                 struct icaltimetype *t);
    void        e_cal_component_get_organizer   (ECalComponent *comp,
                                                 ECalComponentOrganizer *organizer);
    void        e_cal_component_set_organizer   (ECalComponent *comp,
                                                 ECalComponentOrganizer *organizer);
    gboolean    e_cal_component_has_organizer   (ECalComponent *comp);
    void        e_cal_component_get_percent     (ECalComponent *comp,
                                                 int **percent);
    void        e_cal_component_set_percent     (ECalComponent *comp,
                                                 int *percent);
    void        e_cal_component_get_priority    (ECalComponent *comp,
                                                 int **priority);
    void        e_cal_component_set_priority    (ECalComponent *comp,
                                                 int *priority);
    void        e_cal_component_get_recurid     (ECalComponent *comp,
                                                 ECalComponentRange *recur_id);
    void        e_cal_component_set_recurid     (ECalComponent *comp,
                                                 ECalComponentRange *recur_id);
    void        e_cal_component_get_rdate_list  (ECalComponent *comp,
                                                 GSList **period_list);
    void        e_cal_component_set_rdate_list  (ECalComponent *comp,
                                                 GSList *period_list);
    gboolean    e_cal_component_has_rdates      (ECalComponent *comp);
    void        e_cal_component_get_rrule_list  (ECalComponent *comp,
                                                 GSList **recur_list);
    void        e_cal_component_get_rrule_property_list
                                                (ECalComponent *comp,
                                                 GSList **recur_list);
    void        e_cal_component_set_rrule_list  (ECalComponent *comp,
                                                 GSList *recur_list);
    gboolean    e_cal_component_has_rrules      (ECalComponent *comp);
    gboolean    e_cal_component_has_recurrences (ECalComponent *comp);
    gboolean    e_cal_component_has_simple_recurrence
                                                (ECalComponent *comp);
    gboolean    e_cal_component_is_instance     (ECalComponent *comp);
    void        e_cal_component_get_sequence    (ECalComponent *comp,
                                                 int **sequence);
    void        e_cal_component_set_sequence    (ECalComponent *comp,
                                                 int *sequence);
    void        e_cal_component_get_status      (ECalComponent *comp,
                                                 icalproperty_status *status);
    void        e_cal_component_set_status      (ECalComponent *comp,
                                                 icalproperty_status status);
    void        e_cal_component_get_summary     (ECalComponent *comp,
                                                 ECalComponentText *summary);
    void        e_cal_component_set_summary     (ECalComponent *comp,
                                                 ECalComponentText *summary);
    void        e_cal_component_get_transparency
                                                (ECalComponent *comp,
                                                 ECalComponentTransparency *transp);
    void        e_cal_component_set_transparency
                                                (ECalComponent *comp,
                                                 ECalComponentTransparency transp);
    void        e_cal_component_get_url         (ECalComponent *comp,
                                                 const char **url);
    void        e_cal_component_set_url         (ECalComponent *comp,
                                                 const char *url);
    void        e_cal_component_get_attendee_list
                                                (ECalComponent *comp,
                                                 GSList **attendee_list);
    void        e_cal_component_set_attendee_list
                                                (ECalComponent *comp,
                                                 GSList *attendee_list);
    gboolean    e_cal_component_has_attendees   (ECalComponent *comp);
    void        e_cal_component_get_location    (ECalComponent *comp,
                                                 const char **location);
    void        e_cal_component_set_location    (ECalComponent *comp,
                                                 const char *location);
    gboolean    e_cal_component_event_dates_match
                                                (ECalComponent *comp1,
                                                 ECalComponent *comp2);
    void        e_cal_component_free_categories_list
                                                (GSList *categ_list);
    void        e_cal_component_free_datetime   (ECalComponentDateTime *dt);
    void        e_cal_component_free_range      (ECalComponentRange *range);
    void        e_cal_component_free_exdate_list
                                                (GSList *exdate_list);
    void        e_cal_component_free_geo        (struct icalgeotype *geo);
    void        e_cal_component_free_icaltimetype
                                                (struct icaltimetype *t);
    void        e_cal_component_free_percent    (int *percent);
    void        e_cal_component_free_priority   (int *priority);
    void        e_cal_component_free_period_list
                                                (GSList *period_list);
    void        e_cal_component_free_recur_list (GSList *recur_list);
    void        e_cal_component_free_sequence   (int *sequence);
    void        e_cal_component_free_text_list  (GSList *text_list);
    void        e_cal_component_free_attendee_list
                                                (GSList *attendee_list);
                ECalComponentAlarm;
                ECalComponentAlarmInstance;
                ECalComponentAlarms;
    enum        ECalComponentAlarmAction;
    enum        ECalComponentAlarmTriggerType;
                ECalComponentAlarmTrigger;
                ECalComponentAlarmRepeat;
    gboolean    e_cal_component_has_alarms      (ECalComponent *comp);
    void        e_cal_component_add_alarm       (ECalComponent *comp,
                                                 ECalComponentAlarm *alarm);
    void        e_cal_component_remove_alarm    (ECalComponent *comp,
                                                 const char *auid);
    void        e_cal_component_remove_all_alarms
                                                (ECalComponent *comp);
    GList*      e_cal_component_get_alarm_uids  (ECalComponent *comp);
    ECalComponentAlarm* e_cal_component_get_alarm
                                                (ECalComponent *comp,
                                                 const char *auid);
    void        e_cal_component_alarms_free     (ECalComponentAlarms *alarms);
    ECalComponentAlarm* e_cal_component_alarm_new
                                                (void);
    ECalComponentAlarm* e_cal_component_alarm_clone
                                                (ECalComponentAlarm *alarm);
    void        e_cal_component_alarm_free      (ECalComponentAlarm *alarm);
    const char* e_cal_component_alarm_get_uid   (ECalComponentAlarm *alarm);
    void        e_cal_component_alarm_get_action
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmAction *action);
    void        e_cal_component_alarm_set_action
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmAction action);
    void        e_cal_component_alarm_get_attach
                                                (ECalComponentAlarm *alarm,
                                                 icalattach **attach);
    void        e_cal_component_alarm_set_attach
                                                (ECalComponentAlarm *alarm,
                                                 icalattach *attach);
    void        e_cal_component_alarm_get_description
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentText *description);
    void        e_cal_component_alarm_set_description
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentText *description);
    void        e_cal_component_alarm_get_repeat
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmRepeat *repeat);
    void        e_cal_component_alarm_set_repeat
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmRepeat repeat);
    void        e_cal_component_alarm_get_trigger
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmTrigger *trigger);
    void        e_cal_component_alarm_set_trigger
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmTrigger trigger);
    void        e_cal_component_alarm_get_attendee_list
                                                (ECalComponentAlarm *alarm,
                                                 GSList **attendee_list);
    void        e_cal_component_alarm_set_attendee_list
                                                (ECalComponentAlarm *alarm,
                                                 GSList *attendee_list);
    gboolean    e_cal_component_alarm_has_attendees
                                                (ECalComponentAlarm *alarm);
    icalcomponent* e_cal_component_alarm_get_icalcomponent
                                                (ECalComponentAlarm *alarm);

## Object Hierarchy

      GObject
       +----ECalComponent

## Description

## Details

### ECalComponent

    typedef struct _ECalComponent ECalComponent;

### enum ECalComponentVType

    typedef enum {
    	E_CAL_COMPONENT_NO_TYPE,
    	E_CAL_COMPONENT_EVENT,
    	E_CAL_COMPONENT_TODO,
    	E_CAL_COMPONENT_JOURNAL,
    	E_CAL_COMPONENT_FREEBUSY,
    	E_CAL_COMPONENT_TIMEZONE
    } ECalComponentVType;

### enum ECalComponentField

    typedef enum {
    	E_CAL_COMPONENT_FIELD_CATEGORIES,		/* concatenation of the categories list */
    	E_CAL_COMPONENT_FIELD_CLASSIFICATION,
    	E_CAL_COMPONENT_FIELD_COMPLETED,
    	E_CAL_COMPONENT_FIELD_DTEND,
    	E_CAL_COMPONENT_FIELD_DTSTART,
    	E_CAL_COMPONENT_FIELD_DUE,
    	E_CAL_COMPONENT_FIELD_GEO,
    	E_CAL_COMPONENT_FIELD_PERCENT,
    	E_CAL_COMPONENT_FIELD_PRIORITY,
    	E_CAL_COMPONENT_FIELD_SUMMARY,
    	E_CAL_COMPONENT_FIELD_TRANSPARENCY,
    	E_CAL_COMPONENT_FIELD_URL,
    	E_CAL_COMPONENT_FIELD_HAS_ALARMS,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_ICON,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_COMPLETE,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_RECURRING,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_OVERDUE,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_COLOR,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_STATUS,
    	E_CAL_COMPONENT_FIELD_COMPONENT,		/* not a real field */
    	E_CAL_COMPONENT_FIELD_LOCATION,
    	E_CAL_COMPONENT_FIELD_NUM_FIELDS
    } ECalComponentField;

### enum ECalComponentClassification

    typedef enum {
    	E_CAL_COMPONENT_CLASS_NONE,
    	E_CAL_COMPONENT_CLASS_PUBLIC,
    	E_CAL_COMPONENT_CLASS_PRIVATE,
    	E_CAL_COMPONENT_CLASS_CONFIDENTIAL,
    	E_CAL_COMPONENT_CLASS_UNKNOWN
    } ECalComponentClassification;

These values determine the privacy classification of the event.

### ECalComponentDateTime

    typedef struct {
    	/* Actual date/time value */
    	struct icaltimetype *value;

    	/* Timezone ID */
    	const char *tzid;
    } ECalComponentDateTime;

### enum ECalComponentPeriodType

    typedef enum {
    	E_CAL_COMPONENT_PERIOD_DATETIME,
    	E_CAL_COMPONENT_PERIOD_DURATION
    } ECalComponentPeriodType;

### ECalComponentPeriod

    typedef struct {
    	ECalComponentPeriodType type;

    	struct icaltimetype start;

    	union {
    		struct icaltimetype end;
    		struct icaldurationtype duration;
    	} u;
    } ECalComponentPeriod;

### enum ECalComponentRangeType

    typedef enum {
    	E_CAL_COMPONENT_RANGE_SINGLE,
    	E_CAL_COMPONENT_RANGE_THISPRIOR,
    	E_CAL_COMPONENT_RANGE_THISFUTURE
    } ECalComponentRangeType;

### ECalComponentRange

    typedef struct {
    	ECalComponentRangeType type;

    	ECalComponentDateTime datetime;
    } ECalComponentRange;

### ECalComponentText

    typedef struct {
    	/* Description string */
    	const char *value;

    	/* Alternate representation URI */
    	const char *altrep;
    } ECalComponentText;

### enum ECalComponentTransparency

    typedef enum {
    	E_CAL_COMPONENT_TRANSP_NONE,
    	E_CAL_COMPONENT_TRANSP_TRANSPARENT,
    	E_CAL_COMPONENT_TRANSP_OPAQUE,
    	E_CAL_COMPONENT_TRANSP_UNKNOWN
    } ECalComponentTransparency;

### ECalComponentAttendee

    typedef struct {
    	const char *value;

    	const char *member;
    	icalparameter_cutype cutype;
    	icalparameter_role role;
    	icalparameter_partstat status;
    	gboolean rsvp;

    	const char *delto;
    	const char *delfrom;
    	const char *sentby;
    	const char *cn;
    	const char *language;
    } ECalComponentAttendee;

### ECalComponentOrganizer

    typedef struct {
    	const char *value;
    	const char *sentby;
    	const char *cn;
    	const char *language;
    } ECalComponentOrganizer;

### e_cal_component_gen_uid ()

    char*       e_cal_component_gen_uid         (void);

Generates a unique identifier suitable for calendar components.

Returns : | A unique identifier string. Every time this function is called a different string is returned.

### e_cal_component_new ()

    ECalComponent* e_cal_component_new          (void);

Creates a new empty calendar component object. You should set it from an icalcomponent structure by using `e_cal_component_set_icalcomponent()` or with a new empty component type by using `e_cal_component_set_new_vtype()`.

Returns : | A newly-created calendar component object.

### e_cal_component_clone ()

    ECalComponent* e_cal_component_clone        (ECalComponent *comp);

Creates a new calendar component object by copying the information from another one.

`comp` : | A calendar component object.
Returns : | A newly-created calendar component with the same values as the original one.

### e_cal_component_set_new_vtype ()

    void        e_cal_component_set_new_vtype   (ECalComponent *comp,
                                                 ECalComponentVType type);

Clears any existing component data from a calendar component object and creates a new icalcomponent of the specified type for it. The only property that will be set in the new component will be its unique identifier.

`comp` : | A calendar component object.
`type` : | Type of calendar component to create.

### e_cal_component_set_icalcomponent ()

    gboolean    e_cal_component_set_icalcomponent
                                                (ECalComponent *comp,
                                                 icalcomponent *icalcomp);

Sets the contents of a calendar component object from an icalcomponent structure. If the `comp` already had an icalcomponent set into it, it will will be freed automatically if the icalcomponent does not have a parent component itself.

Supported component types are VEVENT, VTODO, VJOURNAL, VFREEBUSY, and VTIMEZONE.

`comp` : | A calendar component object.
`icalcomp` : | An icalcomponent.
Returns : | TRUE on success, FALSE if `icalcomp` is an unsupported component type.

### e_cal_component_get_icalcomponent ()

    icalcomponent* e_cal_component_get_icalcomponent
                                                (ECalComponent *comp);

Queries the icalcomponent structure that a calendar component object is wrapping.

`comp` : | A calendar component object.
Returns : | An icalcomponent structure, or NULL if the `comp` has no icalcomponent set to it.

### e_cal_component_rescan ()

    void        e_cal_component_rescan          (ECalComponent *comp);

`comp` : |

### e_cal_component_strip_errors ()

    void        e_cal_component_strip_errors    (ECalComponent *comp);

`comp` : |

### e_cal_component_get_vtype ()

    ECalComponentVType e_cal_component_get_vtype
                                                (ECalComponent *comp);

Queries the type of a calendar component object.

`comp` : | A calendar component object.
Returns : | The type of the component, as defined by RFC 2445.

### e_cal_component_get_as_string ()

    char*       e_cal_component_get_as_string   (ECalComponent *comp);

Gets the iCalendar string representation of a calendar component. You should call `e_cal_component_commit_sequence()` before this function to ensure that the component's sequence number is consistent with the state of the object.

`comp` : | A calendar component.
Returns : | String representation of the calendar component according to RFC 2445.

### e_cal_component_commit_sequence ()

    void        e_cal_component_commit_sequence (ECalComponent *comp);

Increments the sequence number property in a calendar component object if it needs it. This needs to be done when any of a number of properties listed in RFC 2445 change values, such as the start and end dates of a component.

This function must be called before calling `e_cal_component_get_as_string()` to ensure that the component is fully consistent.

`comp` : |

### e_cal_component_abort_sequence ()

    void        e_cal_component_abort_sequence  (ECalComponent *comp);

`comp` : |

### e_cal_component_get_uid ()

    void        e_cal_component_get_uid         (ECalComponent *comp,
                                                 const char **uid);

Queries the unique identifier of a calendar component object.

`comp` : | A calendar component object.
`uid` : | Return value for the UID string.

### e_cal_component_set_uid ()

    void        e_cal_component_set_uid         (ECalComponent *comp,
                                                 const char *uid);

Sets the unique identifier string of a calendar component object.

`comp` : | A calendar component object.
`uid` : | Unique identifier.

### e_cal_component_get_categories ()

    void        e_cal_component_get_categories  (ECalComponent *comp,
                                                 const char **categories);

`comp` : | A calendar component object.
`categories` : |

### e_cal_component_set_categories ()

    void        e_cal_component_set_categories  (ECalComponent *comp,
                                                 const char *categories);

`comp` : | A calendar component object.
`categories` : |

### e_cal_component_get_categories_list ()

    void        e_cal_component_get_categories_list
                                                (ECalComponent *comp,
                                                 GSList **categ_list);

Queries the list of categories of a calendar component object. Each element in the returned categ_list is a string with the corresponding category.

`comp` : | A calendar component object.
`categ_list` : | Return value for the list of strings, where each string is a category. This should be freed using `e_cal_component_free_categories_list()`.

### e_cal_component_set_categories_list ()

    void        e_cal_component_set_categories_list
                                                (ECalComponent *comp,
                                                 GSList *categ_list);

Sets the list of categories of a calendar component object.

`comp` : | A calendar component object.
`categ_list` : | List of strings, one for each category.

### e_cal_component_get_classification ()

    void        e_cal_component_get_classification
                                                (ECalComponent *comp,
                                                 ECalComponentClassification *classif);

Queries the classification of a calendar component object. If the classification property is not set on this component, this function returns E_CAL_COMPONENT_CLASS_NONE.

`comp` : | A calendar component object.
`classif` : | Return value for the classification.

### e_cal_component_set_classification ()

    void        e_cal_component_set_classification
                                                (ECalComponent *comp,
                                                 ECalComponentClassification classif);

Sets the classification property of a calendar component object. To unset the property, specify E_CAL_COMPONENT_CLASS_NONE for `classif`.

`comp` : | A calendar component object.
`classif` : | Classification to use.

### e_cal_component_get_comment_list ()

    void        e_cal_component_get_comment_list
                                                (ECalComponent *comp,
                                                 GSList **text_list);

Queries the comment of a calendar component object. The comment property can appear several times inside a calendar component, and so a list of ECalComponentText is returned.

`comp` : | A calendar component object.
`text_list` : | Return value for the comment properties and their parameters, as a list of ECalComponentText structures. This should be freed using the `e_cal_component_free_text_list()` function.

### e_cal_component_set_comment_list ()

    void        e_cal_component_set_comment_list
                                                (ECalComponent *comp,
                                                 GSList *text_list);

Sets the comment of a calendar component object. The comment property can appear several times inside a calendar component, and so a list of ECalComponentText structures is used.

`comp` : | A calendar component object.
`text_list` : | List of ECalComponentText structures.

### e_cal_component_get_completed ()

    void        e_cal_component_get_completed   (ECalComponent *comp,
                                                 struct icaltimetype **t);

Queries the date at which a calendar compoment object was completed.

`comp` : | A calendar component object.
`t` : | Return value for the completion date. This should be freed using the `e_cal_component_free_icaltimetype()` function.

### e_cal_component_set_completed ()

    void        e_cal_component_set_completed   (ECalComponent *comp,
                                                 struct icaltimetype *t);

Sets the date at which a calendar component object was completed.

`comp` : | A calendar component object.
`t` : | Value for the completion date.

### e_cal_component_get_contact_list ()

    void        e_cal_component_get_contact_list
                                                (ECalComponent *comp,
                                                 GSList **text_list);

Queries the contact of a calendar component object. The contact property can appear several times inside a calendar component, and so a list of ECalComponentText is returned.

`comp` : | A calendar component object.
`text_list` : | Return value for the contact properties and their parameters, as a list of ECalComponentText structures. This should be freed using the `e_cal_component_free_text_list()` function.

### e_cal_component_set_contact_list ()

    void        e_cal_component_set_contact_list
                                                (ECalComponent *comp,
                                                 GSList *text_list);

Sets the contact of a calendar component object. The contact property can appear several times inside a calendar component, and so a list of ECalComponentText structures is used.

`comp` : | A calendar component object.
`text_list` : | List of ECalComponentText structures.

### e_cal_component_get_created ()

    void        e_cal_component_get_created     (ECalComponent *comp,
                                                 struct icaltimetype **t);

Queries the date in which a calendar component object was created in the calendar store.

`comp` : | A calendar component object.
`t` : | Return value for the creation date. This should be freed using the `e_cal_component_free_icaltimetype()` function.

### e_cal_component_set_created ()

    void        e_cal_component_set_created     (ECalComponent *comp,
                                                 struct icaltimetype *t);

Sets the date in which a calendar component object is created in the calendar store. This should only be used inside a calendar store application, i.e. not by calendar user agents.

`comp` : | A calendar component object.
`t` : | Value for the creation date.

### e_cal_component_get_description_list ()

    void        e_cal_component_get_description_list
                                                (ECalComponent *comp,
                                                 GSList **text_list);

Queries the description of a calendar component object. Journal components may have more than one description, and as such this function returns a list of ECalComponentText structures. All other types of components can have at most one description.

`comp` : | A calendar component object.
`text_list` : | Return value for the description properties and their parameters, as a list of ECalComponentText structures. This should be freed using the `e_cal_component_free_text_list()` function.

### e_cal_component_set_description_list ()

    void        e_cal_component_set_description_list
                                                (ECalComponent *comp,
                                                 GSList *text_list);

Sets the description of a calendar component object. Journal components may have more than one description, and as such this function takes in a list of ECalComponentDescription structures. All other types of components can have at most one description.

`comp` : | A calendar component object.
`text_list` : | List of ECalComponentSummary structures.

### e_cal_component_get_dtend ()

    void        e_cal_component_get_dtend       (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);

Queries the date/time end of a calendar component object.

`comp` : | A calendar component object.
`dt` : | Return value for the date/time end. This should be freed with the `e_cal_component_free_datetime()` function.

### e_cal_component_set_dtend ()

    void        e_cal_component_set_dtend       (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);

Sets the date/time end property of a calendar component object.

`comp` : | A calendar component object.
`dt` : | End date/time.

### e_cal_component_get_dtstamp ()

    void        e_cal_component_get_dtstamp     (ECalComponent *comp,
                                                 struct icaltimetype *t);

Queries the date/timestamp property of a calendar component object, which is the last time at which the object was modified by a calendar user agent.

`comp` : | A calendar component object.
`t` : | A value for the date/timestamp.

### e_cal_component_set_dtstamp ()

    void        e_cal_component_set_dtstamp     (ECalComponent *comp,
                                                 struct icaltimetype *t);

Sets the date/timestamp of a calendar component object. This should be called whenever a calendar user agent makes a change to a component's properties.

`comp` : | A calendar component object.
`t` : | Date/timestamp value.

### e_cal_component_get_dtstart ()

    void        e_cal_component_get_dtstart     (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);

Queries the date/time start of a calendar component object.

`comp` : | A calendar component object.
`dt` : | Return value for the date/time start. This should be freed with the `e_cal_component_free_datetime()` function.

### e_cal_component_set_dtstart ()

    void        e_cal_component_set_dtstart     (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);

Sets the date/time start property of a calendar component object.

`comp` : | A calendar component object.
`dt` : | Start date/time.

### e_cal_component_get_due ()

    void        e_cal_component_get_due         (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);

Queries the due date/time of a calendar component object.

`comp` : | A calendar component object.
`dt` : | Return value for the due date/time. This should be freed with the `e_cal_component_free_datetime()` function.

### e_cal_component_set_due ()

    void        e_cal_component_set_due         (ECalComponent *comp,
                                                 ECalComponentDateTime *dt);

Sets the due date/time property of a calendar component object.

`comp` : | A calendar component object.
`dt` : | End date/time.

### e_cal_component_get_exdate_list ()

    void        e_cal_component_get_exdate_list (ECalComponent *comp,
                                                 GSList **exdate_list);

Queries the list of exception date properties in a calendar component object.

`comp` : | A calendar component object.
`exdate_list` : | Return value for the list of exception dates, as a list of ECalComponentDateTime structures. This should be freed using the `e_cal_component_free_exdate_list()` function.

### e_cal_component_set_exdate_list ()

    void        e_cal_component_set_exdate_list (ECalComponent *comp,
                                                 GSList *exdate_list);

Sets the list of exception dates in a calendar component object.

`comp` : | A calendar component object.
`exdate_list` : | List of ECalComponentDateTime structures.

### e_cal_component_has_exdates ()

    gboolean    e_cal_component_has_exdates     (ECalComponent *comp);

Queries whether a calendar component object has any exception dates defined for it.

`comp` : | A calendar component object.
Returns : | TRUE if the component has exception dates, FALSE otherwise.

### e_cal_component_get_exrule_list ()

    void        e_cal_component_get_exrule_list (ECalComponent *comp,
                                                 GSList **recur_list);

Queries the list of exception rule properties of a calendar component object.

`comp` : | A calendar component object.
`recur_list` : | List of exception rules as struct icalrecurrencetype structures. This should be freed using the `e_cal_component_free_recur_list()` function.

### e_cal_component_get_exrule_property_list ()

    void        e_cal_component_get_exrule_property_list
                                                (ECalComponent *comp,
                                                 GSList **recur_list);

Queries the list of exception rule properties of a calendar component object.

`comp` : | A calendar component object.
`recur_list` : | Returns a list of exception rule properties.

### e_cal_component_set_exrule_list ()

    void        e_cal_component_set_exrule_list (ECalComponent *comp,
                                                 GSList *recur_list);

Sets the list of exception rules in a calendar component object.

`comp` : | A calendar component object.
`recur_list` : | List of struct icalrecurrencetype structures.

### e_cal_component_has_exrules ()

    gboolean    e_cal_component_has_exrules     (ECalComponent *comp);

Queries whether a calendar component object has any exception rules defined for it.

`comp` : | A calendar component object.
Returns : | TRUE if the component has exception rules, FALSE otherwise.

### e_cal_component_has_exceptions ()

    gboolean    e_cal_component_has_exceptions  (ECalComponent *comp);

Queries whether a calendar component object has any exception dates or exception rules.

`comp` : | A calendar component object
Returns : | TRUE if the component has exceptions, FALSE otherwise.

### e_cal_component_get_geo ()

    void        e_cal_component_get_geo         (ECalComponent *comp,
                                                 struct icalgeotype **geo);

Sets the geographic position property of a calendar component object.

`comp` : | A calendar component object.
`geo` : | Return value for the geographic position property. This should be freed using the `e_cal_component_free_geo()` function.

### e_cal_component_set_geo ()

    void        e_cal_component_set_geo         (ECalComponent *comp,
                                                 struct icalgeotype *geo);

Sets the geographic position property on a calendar component object.

`comp` : | A calendar component object.
`geo` : | Value for the geographic position property.

### e_cal_component_get_last_modified ()

    void        e_cal_component_get_last_modified
                                                (ECalComponent *comp,
                                                 struct icaltimetype **t);

Queries the time at which a calendar component object was last modified in the calendar store.

`comp` : | A calendar component object.
`t` : | Return value for the last modified time value.

### e_cal_component_set_last_modified ()

    void        e_cal_component_set_last_modified
                                                (ECalComponent *comp,
                                                 struct icaltimetype *t);

Sets the time at which a calendar component object was last stored in the calendar store. This should not be called by plain calendar user agents.

`comp` : | A calendar component object.
`t` : | Value for the last time modified.

### e_cal_component_get_organizer ()

    void        e_cal_component_get_organizer   (ECalComponent *comp,
                                                 ECalComponentOrganizer *organizer);

Queries the organizer property of a calendar component object

`comp` : | A calendar component object
`organizer` : | A value for the organizer

### e_cal_component_set_organizer ()

    void        e_cal_component_set_organizer   (ECalComponent *comp,
                                                 ECalComponentOrganizer *organizer);

Sets the organizer of a calendar component object

`comp` : | A calendar component object.
`organizer` : | Value for the organizer property

### e_cal_component_has_organizer ()

    gboolean    e_cal_component_has_organizer   (ECalComponent *comp);

`comp` : |
Returns : |

### e_cal_component_get_percent ()

    void        e_cal_component_get_percent     (ECalComponent *comp,
                                                 int **percent);

Queries the percent-complete property of a calendar component object.

`comp` : | A calendar component object.
`percent` : | Return value for the percent-complete property. This should be freed using the `e_cal_component_free_percent()` function.

### e_cal_component_set_percent ()

    void        e_cal_component_set_percent     (ECalComponent *comp,
                                                 int *percent);

Sets the percent-complete property of a calendar component object.

`comp` : | A calendar component object.
`percent` : | Value for the percent-complete property.

### e_cal_component_get_priority ()

    void        e_cal_component_get_priority    (ECalComponent *comp,
                                                 int **priority);

Queries the priority property of a calendar component object.

`comp` : | A calendar component object.
`priority` : | Return value for the priority property. This should be freed using the `e_cal_component_free_priority()` function.

### e_cal_component_set_priority ()

    void        e_cal_component_set_priority    (ECalComponent *comp,
                                                 int *priority);

Sets the priority property of a calendar component object.

`comp` : | A calendar component object.
`priority` : | Value for the priority property.

### e_cal_component_get_recurid ()

    void        e_cal_component_get_recurid     (ECalComponent *comp,
                                                 ECalComponentRange *recur_id);

Queries the recurrence id property of a calendar component object

`comp` : | A calendar component object.
`recur_id` : | Return value for the recurrence id property

### e_cal_component_set_recurid ()

    void        e_cal_component_set_recurid     (ECalComponent *comp,
                                                 ECalComponentRange *recur_id);

Sets the recurrence id property of a calendar component object.

`comp` : | A calendar component object.
`recur_id` : | Value for the recurrence id property.

### e_cal_component_get_rdate_list ()

    void        e_cal_component_get_rdate_list  (ECalComponent *comp,
                                                 GSList **period_list);

Queries the list of recurrence date properties in a calendar component object.

`comp` : | A calendar component object.
`period_list` : | Return value for the list of recurrence dates, as a list of ECalComponentPeriod structures. This should be freed using the `e_cal_component_free_period_list()` function.

### e_cal_component_set_rdate_list ()

    void        e_cal_component_set_rdate_list  (ECalComponent *comp,
                                                 GSList *period_list);

Sets the list of recurrence dates in a calendar component object.

`comp` : | A calendar component object.
`period_list` : | List of ECalComponentPeriod structures.

### e_cal_component_has_rdates ()

    gboolean    e_cal_component_has_rdates      (ECalComponent *comp);

Queries whether a calendar component object has any recurrence dates defined for it.

`comp` : | A calendar component object.
Returns : | TRUE if the component has recurrence dates, FALSE otherwise.

### e_cal_component_get_rrule_list ()

    void        e_cal_component_get_rrule_list  (ECalComponent *comp,
                                                 GSList **recur_list);

Queries the list of recurrence rule properties of a calendar component object.

`comp` : | A calendar component object.
`recur_list` : | List of recurrence rules as struct icalrecurrencetype structures. This should be freed using the `e_cal_component_free_recur_list()` function.

### e_cal_component_get_rrule_property_list ()

    void        e_cal_component_get_rrule_property_list
                                                (ECalComponent *comp,
                                                 GSList **recur_list);

Queries a list of recurrence rule properties of a calendar component object.

`comp` : | A calendar component object.
`recur_list` : | Returns a list of recurrence rule properties.

### e_cal_component_set_rrule_list ()

    void        e_cal_component_set_rrule_list  (ECalComponent *comp,
                                                 GSList *recur_list);

Sets the list of recurrence rules in a calendar component object.

`comp` : | A calendar component object.
`recur_list` : | List of struct icalrecurrencetype structures.

### e_cal_component_has_rrules ()

    gboolean    e_cal_component_has_rrules      (ECalComponent *comp);

Queries whether a calendar component object has any recurrence rules defined for it.

`comp` : | A calendar component object.
Returns : | TRUE if the component has recurrence rules, FALSE otherwise.

### e_cal_component_has_recurrences ()

    gboolean    e_cal_component_has_recurrences (ECalComponent *comp);

Queries whether a calendar component object has any recurrence dates or recurrence rules.

`comp` : | A calendar component object
Returns : | TRUE if the component has recurrences, FALSE otherwise.

### e_cal_component_has_simple_recurrence ()

    gboolean    e_cal_component_has_simple_recurrence
                                                (ECalComponent *comp);

`comp` : |
Returns : |

### e_cal_component_is_instance ()

    gboolean    e_cal_component_is_instance     (ECalComponent *comp);

`comp` : |
Returns : |

### e_cal_component_get_sequence ()

    void        e_cal_component_get_sequence    (ECalComponent *comp,
                                                 int **sequence);

Queries the sequence number of a calendar component object.

`comp` : | A calendar component object.
`sequence` : | Return value for the sequence number. This should be freed using `e_cal_component_free_sequence()`.

### e_cal_component_set_sequence ()

    void        e_cal_component_set_sequence    (ECalComponent *comp,
                                                 int *sequence);

Sets the sequence number of a calendar component object. Normally this function should not be called, since the sequence number is incremented automatically at the proper times.

`comp` : | A calendar component object.
`sequence` : | Sequence number value.

### e_cal_component_get_status ()

    void        e_cal_component_get_status      (ECalComponent *comp,
                                                 icalproperty_status *status);

Queries the status property of a calendar component object.

`comp` : | A calendar component object.
`status` : | Return value for the status value. It is set to ICAL_STATUS_NONE if the component has no status property.

### e_cal_component_set_status ()

    void        e_cal_component_set_status      (ECalComponent *comp,
                                                 icalproperty_status status);

Sets the status property of a calendar component object.

`comp` : | A calendar component object.
`status` : | Status value. You should use ICAL_STATUS_NONE if you want to unset this property.

### e_cal_component_get_summary ()

    void        e_cal_component_get_summary     (ECalComponent *comp,
                                                 ECalComponentText *summary);

Queries the summary of a calendar component object.

`comp` : | A calendar component object.
`summary` : | Return value for the summary property and its parameters.

### e_cal_component_set_summary ()

    void        e_cal_component_set_summary     (ECalComponent *comp,
                                                 ECalComponentText *summary);

Sets the summary of a calendar component object.

`comp` : | A calendar component object.
`summary` : | Summary property and its parameters.

### e_cal_component_get_transparency ()

    void        e_cal_component_get_transparency
                                                (ECalComponent *comp,
                                                 ECalComponentTransparency *transp);

Queries the time transparency of a calendar component object.

`comp` : | A calendar component object.
`transp` : | Return value for the time transparency.

### e_cal_component_set_transparency ()

    void        e_cal_component_set_transparency
                                                (ECalComponent *comp,
                                                 ECalComponentTransparency transp);

Sets the time transparency of a calendar component object.

`comp` : | A calendar component object.
`transp` : | Time transparency value.

### e_cal_component_get_url ()

    void        e_cal_component_get_url         (ECalComponent *comp,
                                                 const char **url);

Queries the uniform resource locator property of a calendar component object.

`comp` : | A calendar component object.
`url` : | Return value for the URL.

### e_cal_component_set_url ()

    void        e_cal_component_set_url         (ECalComponent *comp,
                                                 const char *url);

Sets the uniform resource locator property of a calendar component object.

`comp` : | A calendar component object.
`url` : | URL value.

### e_cal_component_get_attendee_list ()

    void        e_cal_component_get_attendee_list
                                                (ECalComponent *comp,
                                                 GSList **attendee_list);

Queries the attendee properties of the calendar component object

`comp` : | A calendar component object.
`attendee_list` : | Return value for the attendee property. This should be freed using the `e_cal_component_free_attendee_list()` function.

### e_cal_component_set_attendee_list ()

    void        e_cal_component_set_attendee_list
                                                (ECalComponent *comp,
                                                 GSList *attendee_list);

Sets the attendees of a calendar component object

`comp` : | A calendar component object.
`attendee_list` : | Values for attendee properties

### e_cal_component_has_attendees ()

    gboolean    e_cal_component_has_attendees   (ECalComponent *comp);

`comp` : |
Returns : |

### e_cal_component_get_location ()

    void        e_cal_component_get_location    (ECalComponent *comp,
                                                 const char **location);

Queries the location property of a calendar component object.

`comp` : | A calendar component object
`location` : | Return value for the location.

### e_cal_component_set_location ()

    void        e_cal_component_set_location    (ECalComponent *comp,
                                                 const char *location);

Sets the location property of a calendar component object.

`comp` : | A calendar component object.
`location` : | Location value.

### e_cal_component_event_dates_match ()

    gboolean    e_cal_component_event_dates_match
                                                (ECalComponent *comp1,
                                                 ECalComponent *comp2);

Checks if the DTSTART and DTEND properties of the 2 components match. Note that the events may have different recurrence properties which are not taken into account here.

`comp1` : | A calendar component object.
`comp2` : | A calendar component object.
Returns : | TRUE if the DTSTART and DTEND properties of the 2 components match.

### e_cal_component_free_categories_list ()

    void        e_cal_component_free_categories_list
                                                (GSList *categ_list);

Frees a list of category strings.

`categ_list` : | List of category strings.

### e_cal_component_free_datetime ()

    void        e_cal_component_free_datetime   (ECalComponentDateTime *dt);

Frees a date/time structure.

`dt` : | A date/time structure.

### e_cal_component_free_range ()

    void        e_cal_component_free_range      (ECalComponentRange *range);

`range` : |

### e_cal_component_free_exdate_list ()

    void        e_cal_component_free_exdate_list
                                                (GSList *exdate_list);

Frees a list of ECalComponentDateTime structures as returned by the `e_cal_component_get_exdate_list()` function.

`exdate_list` : | List of ECalComponentDateTime structures.

### e_cal_component_free_geo ()

    void        e_cal_component_free_geo        (struct icalgeotype *geo);

Frees a struct icalgeotype structure as returned by the calendar component functions.

`geo` : | An icalgeotype structure.

### e_cal_component_free_icaltimetype ()

    void        e_cal_component_free_icaltimetype
                                                (struct icaltimetype *t);

Frees a struct icaltimetype value as returned by the calendar component functions.

`t` : | An icaltimetype structure.

### e_cal_component_free_percent ()

    void        e_cal_component_free_percent    (int *percent);

Frees a percent value as returned by the `e_cal_component_get_percent()` function.

`percent` : | Percent value.

### e_cal_component_free_priority ()

    void        e_cal_component_free_priority   (int *priority);

Frees a priority value as returned by the `e_cal_component_get_priority()` function.

`priority` : | Priority value.

### e_cal_component_free_period_list ()

    void        e_cal_component_free_period_list
                                                (GSList *period_list);

Frees a list of ECalComponentPeriod structures.

`period_list` : | List of ECalComponentPeriod structures.

### e_cal_component_free_recur_list ()

    void        e_cal_component_free_recur_list (GSList *recur_list);

Frees a list of struct icalrecurrencetype structures.

`recur_list` : | List of struct icalrecurrencetype structures.

### e_cal_component_free_sequence ()

    void        e_cal_component_free_sequence   (int *sequence);

Frees a sequence number value.

`sequence` : | Sequence number value.

### e_cal_component_free_text_list ()

    void        e_cal_component_free_text_list  (GSList *text_list);

Frees a list of ECalComponentText structures. This function should only be used to free lists of text values as returned by the other getter functions of ECalComponent.

`text_list` : | List of ECalComponentText structures.

### e_cal_component_free_attendee_list ()

    void        e_cal_component_free_attendee_list
                                                (GSList *attendee_list);

`attendee_list` : |

### ECalComponentAlarm

    typedef struct _ECalComponentAlarm ECalComponentAlarm;

### ECalComponentAlarmInstance

    typedef struct {
    	/* UID of the alarm that triggered */
    	const char *auid;

    	/* Trigger time, i.e. "5 minutes before the appointment" */
    	time_t trigger;

    	/* Actual event occurrence to which this trigger corresponds */
    	time_t occur_start;
    	time_t occur_end;
    } ECalComponentAlarmInstance;

### ECalComponentAlarms

    typedef struct {
    	/* The actual component */
    	ECalComponent *comp;

    	/* List of ECalComponentAlarmInstance structures */
    	GSList *alarms;
    } ECalComponentAlarms;

### enum ECalComponentAlarmAction

    typedef enum {
    	E_CAL_COMPONENT_ALARM_NONE,
    	E_CAL_COMPONENT_ALARM_AUDIO,
    	E_CAL_COMPONENT_ALARM_DISPLAY,
    	E_CAL_COMPONENT_ALARM_EMAIL,
    	E_CAL_COMPONENT_ALARM_PROCEDURE,
    	E_CAL_COMPONENT_ALARM_UNKNOWN
    } ECalComponentAlarmAction;

### enum ECalComponentAlarmTriggerType

    typedef enum {
    	E_CAL_COMPONENT_ALARM_TRIGGER_NONE,
    	E_CAL_COMPONENT_ALARM_TRIGGER_RELATIVE_START,
    	E_CAL_COMPONENT_ALARM_TRIGGER_RELATIVE_END,
    	E_CAL_COMPONENT_ALARM_TRIGGER_ABSOLUTE
    } ECalComponentAlarmTriggerType;

### ECalComponentAlarmTrigger

    typedef struct {
    	ECalComponentAlarmTriggerType type;

    	union {
    		struct icaldurationtype rel_duration;
    		struct icaltimetype abs_time;
    	} u;
    } ECalComponentAlarmTrigger;

### ECalComponentAlarmRepeat

    typedef struct {
    	/* Number of extra repetitions, zero for none */
    	int repetitions;

    	/* Interval between repetitions */
    	struct icaldurationtype duration;
    } ECalComponentAlarmRepeat;

### e_cal_component_has_alarms ()

    gboolean    e_cal_component_has_alarms      (ECalComponent *comp);

Checks whether the component has any alarms.

`comp` : | A calendar component object.
Returns : | TRUE if the component has any alarms.

### e_cal_component_add_alarm ()

    void        e_cal_component_add_alarm       (ECalComponent *comp,
                                                 ECalComponentAlarm *alarm);

Adds an alarm subcomponent to a calendar component. You should have created the `alarm` by using `e_cal_component_alarm_new()`; it is invalid to use a ECalComponentAlarm structure that came from `e_cal_component_get_alarm()`. After adding the alarm, the `alarm` structure is no longer valid because the internal structures may change and you should get rid of it by using `e_cal_component_alarm_free()`.

`comp` : | A calendar component.
`alarm` : | An alarm.

### e_cal_component_remove_alarm ()

    void        e_cal_component_remove_alarm    (ECalComponent *comp,
                                                 const char *auid);

Removes an alarm subcomponent from a calendar component. If the alarm that corresponds to the specified `auid` had been fetched with `e_cal_component_get_alarm()`, then those alarm structures will be invalid; you should get rid of them with `e_cal_component_alarm_free()` before using this function.

`comp` : | A calendar component.
`auid` : | UID of the alarm to remove.

### e_cal_component_remove_all_alarms ()

    void        e_cal_component_remove_all_alarms
                                                (ECalComponent *comp);

Remove all alarms from the calendar component

`comp` : | A calendar component

### e_cal_component_get_alarm_uids ()

    GList*      e_cal_component_get_alarm_uids  (ECalComponent *comp);

Builds a list of the unique identifiers of the alarm subcomponents inside a calendar component.

`comp` : | A calendar component.
Returns : | List of unique identifiers for alarms. This should be freed using `cal_obj_uid_list_free()`.

### e_cal_component_get_alarm ()

    ECalComponentAlarm* e_cal_component_get_alarm
                                                (ECalComponent *comp,
                                                 const char *auid);

Queries a particular alarm subcomponent of a calendar component.

`comp` : | A calendar component.
`auid` : | Unique identifier for the sought alarm subcomponent.
Returns : | The alarm subcomponent that corresponds to the specified `auid`, or NULL if no alarm exists with that UID. This should be freed using `e_cal_component_alarm_free()`.

### e_cal_component_alarms_free ()

    void        e_cal_component_alarms_free     (ECalComponentAlarms *alarms);

Frees a ECalComponentAlarms structure.

`alarms` : | Component alarms structure.

### e_cal_component_alarm_new ()

    ECalComponentAlarm* e_cal_component_alarm_new
                                                (void);

Returns : | a new alarm component

### e_cal_component_alarm_clone ()

    ECalComponentAlarm* e_cal_component_alarm_clone
                                                (ECalComponentAlarm *alarm);

Creates a new alarm subcomponent by copying the information from another one.

`alarm` : | An alarm subcomponent.
Returns : | A newly-created alarm subcomponent with the same values as the original one. Should be freed with `e_cal_component_alarm_free()`.

### e_cal_component_alarm_free ()

    void        e_cal_component_alarm_free      (ECalComponentAlarm *alarm);

Frees an alarm structure.

`alarm` : | A calendar alarm.

### e_cal_component_alarm_get_uid ()

    const char* e_cal_component_alarm_get_uid   (ECalComponentAlarm *alarm);

Queries the unique identifier of an alarm subcomponent.

`alarm` : | An alarm subcomponent.
Returns : | UID of the alarm.

### e_cal_component_alarm_get_action ()

    void        e_cal_component_alarm_get_action
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmAction *action);

Queries the action type of an alarm.

`alarm` : | An alarm.
`action` : | Return value for the alarm's action type.

### e_cal_component_alarm_set_action ()

    void        e_cal_component_alarm_set_action
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmAction action);

Sets the action type for an alarm.

`alarm` : | An alarm.
`action` : | Action type.

### e_cal_component_alarm_get_attach ()

    void        e_cal_component_alarm_get_attach
                                                (ECalComponentAlarm *alarm,
                                                 icalattach **attach);

Queries the attachment property of an alarm.

`alarm` : | An alarm.
`attach` : | Return value for the attachment; should be freed using `icalattach_unref()`.

### e_cal_component_alarm_set_attach ()

    void        e_cal_component_alarm_set_attach
                                                (ECalComponentAlarm *alarm,
                                                 icalattach *attach);

Sets the attachment property of an alarm.

`alarm` : | An alarm.
`attach` : | Attachment property or NULL to remove an existing property.

### e_cal_component_alarm_get_description ()

    void        e_cal_component_alarm_get_description
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentText *description);

Queries the description property of an alarm.

`alarm` : | An alarm.
`description` : | Return value for the description property and its parameters.

### e_cal_component_alarm_set_description ()

    void        e_cal_component_alarm_set_description
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentText *description);

Sets the description property of an alarm.

`alarm` : | An alarm.
`description` : | Description property and its parameters, or NULL for no description.

### e_cal_component_alarm_get_repeat ()

    void        e_cal_component_alarm_get_repeat
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmRepeat *repeat);

Queries the repeat/duration properties of an alarm.

`alarm` : | An alarm.
`repeat` : | Return value for the repeat/duration properties.

### e_cal_component_alarm_set_repeat ()

    void        e_cal_component_alarm_set_repeat
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmRepeat repeat);

Sets the repeat/duration values for an alarm.

`alarm` : | An alarm.
`repeat` : | Repeat/duration values. To remove any repetitions from the alarm, set the `repeat.repetitions` to 0.

### e_cal_component_alarm_get_trigger ()

    void        e_cal_component_alarm_get_trigger
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmTrigger *trigger);

Queries the trigger time for an alarm.

`alarm` : | An alarm.
`trigger` : | Return value for the trigger time.

### e_cal_component_alarm_set_trigger ()

    void        e_cal_component_alarm_set_trigger
                                                (ECalComponentAlarm *alarm,
                                                 ECalComponentAlarmTrigger trigger);

Sets the trigger time of an alarm.

`alarm` : | An alarm.
`trigger` : | Trigger time structure.

### e_cal_component_alarm_get_attendee_list ()

    void        e_cal_component_alarm_get_attendee_list
                                                (ECalComponentAlarm *alarm,
                                                 GSList **attendee_list);

`alarm` : |
`attendee_list` : |

### e_cal_component_alarm_set_attendee_list ()

    void        e_cal_component_alarm_set_attendee_list
                                                (ECalComponentAlarm *alarm,
                                                 GSList *attendee_list);

`alarm` : |
`attendee_list` : |

### e_cal_component_alarm_has_attendees ()

    gboolean    e_cal_component_alarm_has_attendees
                                                (ECalComponentAlarm *alarm);

`alarm` : |
Returns : |

### e_cal_component_alarm_get_icalcomponent ()

    icalcomponent* e_cal_component_alarm_get_icalcomponent
                                                (ECalComponentAlarm *alarm);

Get the icalcomponent associated with the given ECalComponentAlarm.

`alarm` : | An alarm.
Returns : | the icalcomponent.