def update(self, friendly_name=values.unset, unique_name=values.unset):
return self._proxy.update(friendly_name=friendly_name, unique_name=unique_name, )<EOL>
Update the FieldTypeInstance

:param unicode friendly_name: A user-provided string that identifies this resource. It is non-unique and can up to 255 characters long.
:param unicode unique_name: A user-provided string that uniquely identifies this resource as an alternative to the sid. Unique up to 64 characters long.

:returns: Updated FieldTypeInstance
:rtype: twilio.rest.preview.understand.assistant.field_type.FieldTypeInstance