Hi,
yes, copy the code snippet, create a c# file of the exact same name as the class defined in that code and paste it in there.
also, I always recommand that you create a special folder to host all your custom actions, like "PlayMaker Custom Actions", I go one more step as well, creating sub folders of the name of the category, so that all my custom actions are organized by categories in my project folder.
bye,
Jean