# Can I make an app that alerts the user of the time to review?

**URL:** <https://community.thunkable.com/t/can-i-make-an-app-that-alerts-the-user-of-the-time-to-review/389258>\
**Category:** Questions about Thunkable X\
**Created:** [January 2, 2020, 4:28pm UTC](https://community.thunkable.com/t/can-i-make-an-app-that-alerts-the-user-of-the-time-to-review/389258 "2020-01-02T16:28:00Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![bymaho](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/bymaho/32/56102_2.png) [@bymaho](https://community.thunkable.com/u/bymaho)\
**Post date:** [January 2, 2020, 9:24pm UTC](https://community.thunkable.com/t/can-i-make-an-app-that-alerts-the-user-of-the-time-to-review/389258/5 "2020-01-02T21:24:20Z")

</div>

![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/2/a/2ac27b5d62d7ad60a5804fea7166da6e03a80561.png)

[https://documentation.onesignal.com/v5.0/reference](https://documentation.onesignal.com/v5.0/reference)

You need to use "push notification"and “web api” components.

And check this link.

> [@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/can-i-make-an-app-that-alerts-the-user-of-the-time-to-review/389258)._