With this application you can send notifications via Onesignal from your phone at any time.

1. Segment
2. Title
3. Message
4. Url
5. Ion
6. Large Icon
7. Large Image
8. Group Message
9. Scheduled Shipment...
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You can register Api Key and App Id and use it again later.
You can create a scheduled notification so you can send an automatic notification.

And a lot more features ...