notifications.onShown
Fired immediately after a notification has been shown.
Syntax
browser.notifications.onShown.addListener(listener)
browser.notifications.onShown.removeListener(listener)
browser.notifications.onShown.hasListener(listener)
Events have three functions:
addListener(callback)
- Adds a listener to this event.
removeListener(listener)
- Stop listening to this event. The
listener
argument is the listener to remove. hasListener(listener)
- Check whether
listener
is registered for this event. Returnstrue
if it is listening,false
otherwise.
addListener syntax
Parameters
callback
-
Function that will be called when this event occurs. The function will be passed the following arguments:
notificationId
string
. ID of the notification that has been shown.
Browser compatibility
BCD tables only load in the browser
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Examples
Add a listener to the notifications.onShown
event and log its details:
function logShown(itemId) {
console.log(`shown: ${itemId}`);
browser.notifications.getAll().then((all) => {
console.log(all[itemId]);
})
}
browser.notifications.onShown.addListener(logShown);
Acknowledgements
This API is based on Chromium's chrome.notifications
API.