code: def get(self, sid):
          
          return FieldContext(
              self._version,
              assistant_sid=self._solution['assistant_sid'],
              task_sid=self._solution['task_sid'],
              sid=sid,
          )
docs: Constructs a FieldContext
  
          :param sid: The unique string that identifies the resource
  
          :returns: twilio.rest.autopilot.v1.assistant.task.field.FieldContext
          :rtype: twilio.rest.autopilot.v1.assistant.task.field.FieldContext