Concept Mac Windows Mobile Required Default Data type Explanation
Message

Opera

Firefox

Chrome

IE

Opera

Firefox

Chrome

IE

Opera

Firefox

Chrome

Yes N/A String or Dictionary The message body
Title

Opera

Firefox

Chrome

IE

Opera

Firefox

Chrome

IE

Opera

Firefox

Chrome

No The name of the origin web page String The message title
Image  

Opera

Chrome

Opera

Chrome

No N/A String (URL) A URL with a link to a resource to be shown as rich content in the body of the push message.
Badge    

Opera

Chrome

No The browser's app icon String (URL) A URL with a link to an image resource that will be shown as the web page's icon in the mobile status bar and notification drawer.
Icon

Opera

Chrome

IE

 

Opera

Chrome

No N/A String (URL) A URL with a link to an image resource that will be shown as thumbnail style image of the notification.
Deeplink

Opera

Firefox

Chrome

IE

Opera

Firefox

Chrome

IE

Opera

Firefox

Chrome

No N/A String A URL that should be used as the redirect when the notification is clicked
Actions

Opera

Chrome

Opera

Chrome

Opera

Chrome

No N/A Object A dictionary with three actions. The actions should be a title, icon, and deeplink. They will be rendered as the potential actions that can be taken from this notification.
Renotify Opera   Opera No False Boolean Determines the behavior if a second notification comes in with the same unique identifier. If set to true, the user's device will notify them once again (with visual alert, sound, or vibration). If set to false, the user's device will silently update the notification.