def METHOD_NAME(self, payload: bytes, credit = 0, destination = 0, source = 0, options = 0):
    """
    :param payload: the connection request payload.
    :param credit: the PDU's credit property.
    :param destination: the PDU's destination property.
    :param source: the PDU's source property.
    :param options: the PDU's options property.
    """
    pdu = X224ConnectionRequestPDU(credit, destination, source, options, payload)
    self.sendPDU(pdu)