# Firebase Cloud Messaging and notifications **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [February 5, 2019, 9:29pm UTC](https://community.thunkable.com/t/firebase-cloud-messaging-and-notifications/67708 "2019-02-05T21:29:35Z")\ **Posts on this page:** 1\ **Showing post:** 5
**Author:** ![mishk](https://avatars.discourse-cdn.com/v4/letter/m/f6c823/32.png) [@mishk](https://community.thunkable.com/u/mishk)\ **Post date:** [January 7, 2020, 10:03am UTC](https://community.thunkable.com/t/firebase-cloud-messaging-and-notifications/67708/5 "2020-01-07T10:03:49Z")
> [@Sending Notification to Specific User with Onesignal](http://community.thunkable.com/t/sending-notification-to-specific-user-with-onesignal/150022/19): > > I tried 50 times and I figured it out. Just use Headers input. First write to Property inputbox : “Authorization” to Value inputbox: “YOUR\_AUTHORISATION\_CODE” which you can find [here](https://documentation.onesignal.com/docs/account) and press ADD; Secondly write to Property inputbox : “Content-Type” to Value inputbox: “application/json” to Body input paste the code show below: if you want to send your notification everybody use this: { “app\_id”: “05a1a9c5-xxxx-xxxx-xxxxx-aad3xx5071f2”, “included\_segments”: [“All”]… --- _[View the full topic](https://community.thunkable.com/t/firebase-cloud-messaging-and-notifications/67708)._