code: def get_instance(self, payload):
          
          return ExecutionInstance(self._version, payload, flow_sid=self._solution['flow_sid'], )
docs: Build an instance of ExecutionInstance
  
          :param dict payload: Payload response from the API
  
          :returns: twilio.rest.studio.v1.flow.execution.ExecutionInstance
          :rtype: twilio.rest.studio.v1.flow.execution.ExecutionInstance