bp_activity_get_last_updated()

function bp_activity_get_last_updated() {

	/**
	 * Filters the value for the last updated time for an activity item.
	 *
	 * @since BuddyPress 1.1.0
	 *
	 * @param BP_Activity_Activity $last_updated Date last updated.
	 */
	return apply_filters( 'bp_activity_get_last_updated', BP_Activity_Activity::get_last_updated() );
}