code: def start(self):
          
          if self._index is None:
              self._index = ctypes.c_uint32()
              _canlib.canSchedulerAddMessage(self._scheduler,
                                             self._msg,
                                             self._index)
          _canlib.canSchedulerStartMessage(self._scheduler,
                                           self._index,
                                           self._count)
docs: Start transmitting message (add to list if needed).