Extensions Registry

This page documents standardized and proprietary extensions to the web manifest format.

If adding a new member, please provide the name, and brief description, and a link to either the specification or documentation the describes what the member does. If it's a enumerated member (i.e., one that takes discreet values), please briefly describe those values.

For example:

### The `moz_fruits` member
A Mozilla proprietary extension that allows your app to smell 
like either an "apple", "orange", or "banana". 
Information about the `moz_fruits` member can be found 
on [`moz_fruits` MDN page](https://developer.mozilla.org/moz_fruits).

Standardized extensions

These are extensions that are at least Working Drafts.

• App Information - Provides additional metadata related to how a web application may be presented in the context of a digital storefront, installation dialog, or other surfaces where this web application may be marketed or distributed.

Proprietary Extensions

These are vendor-specific extensions.

Google

The gcm_sender_id member

A proprietary extension related to Google Cloud Messaging. More information may be found at: https://developers.google.com/cloud-messaging/gcm

gcm_user_visible_only member (DEPRECATED)

A proprietary extension related to Google Cloud Messaging. More information may be found at: https://www.chromestatus.com/feature/5778950739460096