'Generate an instance context for the instance, the context is capable of
performing various actions.  All instance actions are proxied to the context
:returns: InstalledAddOnExtensionContext for this InstalledAddOnExtensionInstance
:rtype: twilio.rest.preview.marketplace.installed_add_on.installed_add_on_extension.InstalledAddOnExtensionContext'

@property
def _proxy(self):

    if (self._context is None):
        self._context = InstalledAddOnExtensionContext(self._version, installed_add_on_sid=self._solution['installed_add_on_sid'], sid=self._solution['sid'])
    return self._context
