def update(self, initiation_actions=values.unset):
data = values.of({'<STR_LIT>': serialize.object(initiation_actions), })<EOL>payload = self._version.update(<EOL>'<STR_LIT:POST>',<EOL>self._uri,<EOL>data=data,<EOL>)<EOL>return AssistantInitiationActionsInstance(<EOL>self._version,<EOL>payload,<EOL>assistant_sid=self._solution['<STR_LIT>'],<EOL>)<EOL>
Update the AssistantInitiationActionsInstance

:param dict initiation_actions: The initiation_actions

:returns: Updated AssistantInitiationActionsInstance
:rtype: twilio.rest.preview.understand.assistant.assistant_initiation_actions.AssistantInitiationActionsInstance