Hey there @LabbWrenth! I think the best method would be to go ahead and make the simplest version of a QTE and then get more advanced with your mechanics. I have 2 sets of resources that should help you get the basics together, and then from there you will have to get a bit more in depth with animation notifies and blend states.
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Part 1 very basic QTEs:
Different QTE type, rapid presses (no audio):
