I couldn't find the collision section in the details

I couldn’t find the collision section in the tank tracks’ details within the tank blueprint

But I found a workaround here:

https://answers.unrealengine.com/questions/192370/set-simulation-generates-hit-events-dynamically.html

So if you have the same problem, you can simply write the method in BeginPlay:

SetNotifyRigidBodyCollision(true);

Kind regards.

Maybe you are hiding the collision category in c++

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