def send(self, message, arguments=None):
output = clips.data.DataObject(self._env)<EOL>instance = clips.data.DataObject(<EOL>self._env, dtype=CLIPSType.INSTANCE_ADDRESS)<EOL>instance.value = self._ist<EOL>args = arguments.encode() if arguments is not None else ffi.NULL<EOL>lib.EnvSend(<EOL>self._env, instance.byref, message.encode(), args, output.byref)<EOL>return output.value<EOL>
Send a message to the Instance.

        Message arguments must be provided as a string.