bp_nouveau_add_notice_notification_for_user( $notifications,  $user_id )

function bp_nouveau_add_notice_notification_for_user( $notifications, $user_id ) {
	if ( ! bp_is_active( 'messages' ) || ! doing_action( 'admin_bar_menu' ) ) {
		return $notifications;
	}

	$notice = BP_Messages_Notice::get_active();
	if ( empty( $notice->id ) ) {
		return $notifications;
	}

	$closed_notices = bp_get_user_meta( $user_id, 'closed_notices', true );
	if ( empty( $closed_notices ) ) {
		$closed_notices = array();
	}

	if ( in_array( $notice->id, $closed_notices, true ) ) {
		return $notifications;
	}

	$notice_notification                    = new stdClass;
	$notice_notification->id                = 0;
	$notice_notification->user_id           = $user_id;
	$notice_notification->item_id           = $notice->id;
	$notice_notification->secondary_item_id = '';
	$notice_notification->component_name    = 'messages';
	$notice_notification->component_action  = 'new_notice';
	$notice_notification->date_notified     = $notice->date_sent;
	$notice_notification->is_new            = '1';

	return array_merge( $notifications, array( $notice_notification ) );
}