I am away from desktop at the moment, so I can’t place any cout flags or anything to troubleshoot it, but as far as the blueprint flow is concerned, the Event Tick never activates, its value is always 0.0, and it won’t trigger events unless those 2 blocks of code from initial post are commented out. Commenting those 2 blocks out, thought, gets rid of my green mouse marker. I tried it on a brand new C++ Top Down project and got the same result trying to use Event Tick in the default character blueprint.
I haven’t made any changes from the default C++ code on this project, what I posted is what the project was created with. With the exception of trying with those functions commented out.