code: def transmissions(self, status="all", failed=False):
          
          if status not in ["all", "pending", "received"]:
              raise ValueError(
                  "You cannot get transmission of status {}.".format(status)
                  + "Status can only be pending, received or all"
              )
          if failed not in ["all", False, True]:
              raise ValueError("{} is not a valid failed".format(failed))
  
          if status == "all":
              if failed == "all":
                  return Transmission.query.filter_by(network_id=self.id).all()
              else:
                  return Transmission.query.filter_by(
                      network_id=self.id, failed=failed
                  ).all()
          else:
              if failed == "all":
                  return Transmission.query.filter_by(
                      network_id=self.id, status=status
                  ).all()
              else:
                  return Transmission.query.filter_by(
                      network_id=self.id, status=status, failed=failed
                  ).all()
docs: Get transmissions in the network.
  
          status { "all", "received", "pending" }
          failed { False, True, "all" }
          To get transmissions from a specific vector, see the
          transmissions() method in class Vector.