When you integrate a Singular SDK or S2S into your app, Singular tracks several types of in-app events automatically. These auto-generated events may appear in User-Level Attribution Logs or partner postbacks (if the partner is receiving the auto-generated event name), as well as in Internal BI postbacks.
| Event Name | Description | When it is Tracked |
| __START__ | Install | Automatically tracked when the first session is sent through an SDK/S2S integration. |
| __SESSION__ | Session | Automatically tracked when sessions are sent through an SDK/S2S integration. |
| __iap__ | SDK Revenue | Tracked if an SDK/S2S integration is reporting a revenue event through the revenue method. |
| __REVENUE__ | Any Revenue |
Tracked if any revenue is reported, for example:
We do not recommend sending postbacks for this event if you are already sending postbacks for __iap__ or other revenue events, as you may end up reporting duplicate revenue. |
| __UNINSTALL__ | Uninstall | Automatically tracked if uninstall is enabled for your iOS or Android app, and at least one uninstall has been tracked. If an uninstall is detected for a device, it is triggered once a day. |
| __REINSTALL__ | Reinstall | Automatically tracked if uninstall is enabled via the SDK/S2S. If an __UNINSTALL__ for a device is tracked, and then a subsequent __SESSION__ is triggered, the __REINSTALL__ event is also triggered |
