Usually, Advertising IDs and Custom User IDs are the easiest tools to find your device on Batch, and register yourself as a tester on the platform.
However these identifiers aren't always available in Batch :
You app may globally not share Advertising ID with Batch
Your own device may block the Advertising ID sharing
Regarding Custom User ID :
It's usually only shared for logged in users
You may not know your Custom User ID
For these reasons, we always recommend to display the Installation ID somewhere in the app : doc.batch.com/ios/troubleshooting#displaying-the-installation-id. If it hasn't been done, you'll still be able to find your Installation ID following the process below.
To find your Installation ID for an iOS app, you need to have your device plugged to a Mac.
2. Open the console
Use Spotlight (CMD + space) to locate the Console app, and open it.
2. Select your device
Your device should appear in the left pane, select it. If it doesn't appear, please check that you're correctly plugged to your computer.
3. Find your Installation ID
Once your device is selected, open your app, and filter the logs results: type com.batch.ios and select the "Subsystem" category.
Your Installation ID will appear in the logs:
You can now copy it and find it in the debug section of the dashboard: help.batch.com/en/articles/2760869-how-can-i-see-the-data-attached-to-my-install-or-user-id