Yeah, that's where I'd go with this. It's not operating, intuitively, the way I would expect a "Find Usages" to work... so, that means there's something else going on.
If and when you get a response back, I'd like to see it, especially if there's a solution.
The Finding Usages article says that:
TestComplete does not support searching for usages in script units associated with other units through adding the
So, the behavior you see is expected.
As an alternative, you can find occurrence via the Search/Replace dialog.
If any of the given replies answer your question, could you please make them as a solution. This will help other members find the answer faster in the future.
Great! Thanks for sharing your solution with the Community.