bp_core_delete_all_notifications_by_type( $item_id, string $component_name, false|string $component_action = false,  $secondary_item_id = false )

function bp_core_delete_all_notifications_by_type( $item_id, $component_name, $component_action = false, $secondary_item_id = false ) {

	// Bail if notifications is not active
	if ( ! bp_is_active( 'notifications' ) ) {
		return false;
	}

	// Trigger the deprecated function notice
	_deprecated_function( __FUNCTION__, '1.9', 'bp_notifications_delete_all_notifications_by_type()' );

	bp_notifications_delete_all_notifications_by_type( $item_id, $component_name, $component_action, $secondary_item_id );
}