You guys need to read/watch some tutorials.
Double-click anywhere on the layout -> Keyboard -> Insert.
This ^^. Its really the best way to globally find all calls and variables, expressions, etc because it accesses the layout directly. It does not get confused with events already existing, it doesn't care. So, for any addition to the layout (such as those with one time additions like keyboard, mouse, function, etc) go to your layout (not the event sheet) and double click as said, outside instances. And boom. there is all the options there.