'Generate an instance context for the instance, the context is capable of
performing various actions.  All instance actions are proxied to the context
:returns: AssignedAddOnExtensionContext for this AssignedAddOnExtensionInstance
:rtype: twilio.rest.api.v2010.account.incoming_phone_number.assigned_add_on.assigned_add_on_extension.AssignedAddOnExtensionContext'

@property
def _proxy(self):

    if (self._context is None):
        self._context = AssignedAddOnExtensionContext(self._version, account_sid=self._solution['account_sid'], resource_sid=self._solution['resource_sid'], assigned_add_on_sid=self._solution['assigned_add_on_sid'], sid=self._solution['sid'])
    return self._context
