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You can run your camera switch blueprint in the construction script of your actor. That way you’re explicitly picking the camera when you spawn the character.
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You’ll have to bind an event when something finishes (the animation, etc). One way to do this is with the time remaining setup. Here’s a discussion on that: https://answers.unrealengine.com/questions/833572/how-to-wait-until-end-of-an-animation.html?sort=oldest
Make sure to remember to bind V as an input action if you still want to use it in that way!