Q). How do I Import the asset?
A). Go to the Unity asset store and visit your “My Assets”. Download the asset if not already downloaded and click “Import”, import all required features of the asset for your use. It should have appeared in your project under “Valves & Pipe Puzzle System”. (If Unity warns you that you may overwrite project data, do not choose the “Project Settings” tickbox when importing the asset)
Q). Is there an example of this asset working?
A). Yes, you can open the “ValveSceneDemo” to see the padlock asset in action or use this scene as your initial base of your project.