BP_REST_Group_Messages_Endpoint::bp_rest_groups_messages_new_message( array|string $args = '' )

	public function bp_rest_groups_messages_new_message( $args = '' ) {
		$send = '';
		remove_action( 'messages_message_sent', 'messages_notification_new_message', 10 );
		add_action( 'messages_message_sent', 'group_messages_notification_new_message', 10 );

		$r = bp_parse_args(
			$args,
			array(
				'sender_id'     => bp_loggedin_user_id(),
				'thread_id'     => false,   // False for a new message, thread id for a reply to a thread.
				'recipients'    => array(), // Can be an array of usernames, user_ids or mixed.
				'subject'       => false,
				'content'       => false,
				'date_sent'     => bp_core_current_time(),
				'append_thread' => false,
				'is_hidden'     => false,
				'mark_visible'  => false,
				'group_thread'  => true,
				'error_type'    => 'wp_error',
			),
			'bp_groups_messages_new_message'
		);

		// Attempt to send the message.
		$send = messages_new_message( $r );

		remove_action( 'messages_message_sent', 'group_messages_notification_new_message', 10 );
		add_action( 'messages_message_sent', 'messages_notification_new_message', 10 );

		return $send;
	}