code: def create(self, language, value, synonym_of=values.unset):
          
          data = values.of({'Language': language, 'Value': value, 'SynonymOf': synonym_of, })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return FieldValueInstance(
              self._version,
              payload,
              assistant_sid=self._solution['assistant_sid'],
              field_type_sid=self._solution['field_type_sid'],
          )
docs: Create a new FieldValueInstance
  
          :param unicode language: The ISO language-country tag that identifies the language of the value
          :param unicode value: The Field Value data
          :param unicode synonym_of: The string value that indicates which word the field value is a synonym of
  
          :returns: Newly created FieldValueInstance
          :rtype: twilio.rest.autopilot.v1.assistant.field_type.field_value.FieldValueInstance