blueprint 2d doors

hello everyone, I’m trying to learn the engine, I have a 2d project and I can’t create a door that can be opened and closed using a key. these two blueprints are from guides in which everything works. but I have a looping animation of one of the branches or a flip flop. if someone has an experience, share it, maybe a video or you have a bluprint that you could explain to me, I would be grateful. if I suddenly wrote in the wrong place, I apologize, tell me where I can redirect the question

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