'Fetch a AssignedAddOnInstance
:returns: Fetched AssignedAddOnInstance
:rtype: twilio.rest.api.v2010.account.incoming_phone_number.assigned_add_on.AssignedAddOnInstance'

def fetch(self):

    params = values.of({})
    payload = self._version.fetch('GET', self._uri, params=params)
    return AssignedAddOnInstance(self._version, payload, account_sid=self._solution['account_sid'], resource_sid=self._solution['resource_sid'], sid=self._solution['sid'])
