How to use phonegap-plugin-push

Hi all!

I like to use the plugin phonegap-plugin-push!

Should i calll on every app sart the "registration" part?

push.on('registration', function(data) {
  return data.registrationId
});

And send the registration id to my own online db?

How u use the plugin? Wehn i should update the regid?

Many thanks!