I am trying to get push notifications working. I looked at the following but could not understand how to use these Is there a documentation to get started or understand the above settings? <key>Notifications</key> <dict> <!-- Time spent coalescing notifications before delivery --> <key>CoalesceSeconds</key> <integer>3</integer> <key>Services</key> <dict> <key>XMPPNotifier</key> <dict> <!-- XMPP notification service --> <key>Service</key> <string>twistedcaldav.notify.XMPPNotifierService</string> <key>Enabled</key> <false/> <!-- XMPP host and port to contact --> <key>Host</key> <string>xmpp.host.name</string> <key>Port</key> <integer>5222</integer> <!-- Jabber ID and password for the server --> <key>JID</key> <string>jid@xmpp.host.name/resource</string> <key>Password</key> <string>password_goes_here</string> <!-- PubSub service address --> <key>ServiceAddress</key> <string>pubsub.xmpp.host.name</string> </dict> </dict> </dict> Regards,