AsyncMessage Class
==================

.. php:class:: AsyncMessage

    Represents an asynchronous message

    Implements :php:interface:`ItemInterface`

    .. php:method:: __construct(string $message, Participant $recipient, ?Participant $sender = null)

    Create a new AsyncMessage

        :param string $message: The message
        :param Participant $recipient: The recipient
        :param ?Participant $sender: The sender (default: External sender)
        :returns: A new ``AsyncMessage`` instance
        :rtype: AsyncMessage

    .. php:method:: withComment(string $comment)

        Set a comment for the AsyncMessage

        :param string $comment: The comment
        :returns: A new instance of ``AsyncMessage`` with the comment
        :rtype: AsyncMessage