def get_instance(self, payload):
return AssignedAddOnExtensionInstance(<EOL>self._version,<EOL>payload,<EOL>account_sid=self._solution['<STR_LIT>'],<EOL>resource_sid=self._solution['<STR_LIT>'],<EOL>assigned_add_on_sid=self._solution['<STR_LIT>'],<EOL>)<EOL>
Build an instance of AssignedAddOnExtensionInstance

:param dict payload: Payload response from the API

:returns: twilio.rest.api.v2010.account.incoming_phone_number.assigned_add_on.assigned_add_on_extension.AssignedAddOnExtensionInstance
:rtype: twilio.rest.api.v2010.account.incoming_phone_number.assigned_add_on.assigned_add_on_extension.AssignedAddOnExtensionInstance