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The Generate Overlap Events box of the StaticMesh (the item) not ticked (set to false) so the trigger volume was not detecting anything. After ticking the Generate Overlap Events box, the Generate Overlap Events During Level Straming setting the Update Overlap Method to Always Update the Tigger Volume detected the item, the casting worked and the door would ...


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You are correct in that the trigger volume can detect any actor that passes through it and calls OnBeginOverlap and when it leaves, calls OnEndOverlap. What you're not doing in your blueprint above is telling the trigger what is overlapping. If you need a specific actor, pull off the Other Actor node and cast to your door opening object. From the cast node, ...


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