def client_sends_message(self, *parameters):
self._send_message(self.client_sends_binary, parameters)<EOL>
Send a message defined with `New Message`.

        Optional parameters are client `name` separated with equals and message
        field values separated with colon. Protocol header values can be set
        with syntax header:header_field_name:value.

        Examples:
        | Client sends message |
        | Client sends message | field_name:value | field_name2:value |
        | Client sends message | name=Client1 | header:message_code:0x32 |