#summary XEP-0357: Cloud push notifications
#labels Stage-Alpha

= Introduction =

This is an implementation of the server bits of
[http://xmpp.org/extensions/xep-357.html XEP-357: Push].
It allows clients to register an "app server" which is notified about
new messages while the user is offline or disconnected.  Implementation
of the "app server", which is expected to forward notifications to
something like Google Cloud Messaging or Apple Notification Service.

= Details =

App servers are notified about offline messages.

= Installation =

Same as any other module.

= Configuration =

Configured in-band by supporting clients.

= Future =

Adding support for sending notifications for users who are online but
not currently connected, such as when `mod_smacks` is keeping their
session alive, should be added.