set_relation_type

Description:

public void set_relation_type (string? relation_type)

Sets the relation_type property to relation_type such as GCONTACT_EVENT_ANNIVERSARY or GCONTACT_EVENT_OTHER.

If relation_type is null, the relation type will be unset. When the GContactEvent is used in a query, however, exactly one of relation_type and label must be null.

Parameters:

this	a GContactEvent
relation_type	the new relation type for the event, or `null`