My use case is that I want to track different objects kept in different rooms. I uploaded the images of object(1) and downloaded the WTO file and successfully able to track it by setting the targetcollection property of object tracker. Now for the object(2) how should I proceed? I tried having two objecttrackers in my single scene and setting the targetcollection property to different WTO files, but it is not working.
If you don't need to track multiple targets at the same time, you can use a single ObjectTracker with a single WTO file that contains two targets.
In the Target Manager, you can add the second object to an existing project, resulting in a WTO file with two targets.
In Unity, the ObjectTrackable has OnObjectRecognized and OnObjectLost events, which will allow you to distinguish between which target is currently tracked, so you can enable / disable augmentations as necessary.