Cant figure out how to limit a blueprint to one action.

Hello,

I am new here and apologize if this is posted in the wrong section, please move if it is. I am trying to make a placement system. I want it to go something like this:
Press G
Preview shows up
Press G
Mesh placed down
Mesh and preview goes away until G clicked again

I am managing to do the first few things but cant get it to disappear after placing the mesh and am unsure how to solve it. If any help is given it would be hugely appreciated.

Thank you.

Hi.
It seems like you are trying to do a Minecraft type of action. Does this tutorial help? Also, if you just want to do something once, there is a node called Do Once, so you could use that too if you wanted.

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Hi,

Thank you! I am not making a Minecraft type game but this does help with the section I am doing, thank you!