'ID', 'uid' => 'UID', 'begin_date' => 'BeginDate', 'end_date' => 'EndDate', 'all_day' => 'AllDay', 'name' => 'Name', 'location' => 'Location', 'last_modified' => 'LastModified', '_calendar' => 'CalendarID' ]; public static $RELATIONS = [ 'Calendar' => [self::BELONGS_TO, 'Calendar', '_calendar'] ]; } ?>