code: def camera_trigger_send(self, time_usec, seq, force_mavlink1=False):
                  '''
                  Camera-IMU triggering and synchronisation message.
  
                  time_usec                 : Timestamp for the image frame in microseconds (uint64_t)
                  seq                       : Image frame sequence (uint32_t)
  
                  '''
                  return self.send(self.camera_trigger_encode(time_usec, seq), force_mavlink1=force_mavlink1f camera_trigger_send(self, time_usec, seq, force_mavlink1=False):
                  '''
                  Camera-IMU triggering and synchronisation message.
  
                  time_usec                 : Timestamp for the image frame in microseconds (uint64_t)
                  seq                       : Image frame sequence (uint32_t)
  
                  '''
                  return self.send(self.camera_trigger_encode(time_usec, seq), force_mavlink1=force_mavlink1)
docs: Camera-IMU triggering and synchronisation message.
  
                  time_usec                 : Timestamp for the image frame in microseconds (uint64_t)
                  seq                       : Image frame sequence (uint32_t)