This article describes how to find the object URN if you need to use it in clean-up tools or in entity sync status.
If you want to check the sync status for the specific object, you need to specify object URN:
To find the object URN:
- Open an object in Salesforce.
- Check the object URL in the browser.
https://idalko-dev-ed.lightning.force.com/lightning/r/Task/00T0900000TSgCaEAL/view
The URN is part of the object link.