Unreal Engine 4 (UE4) How to add a key press event to a class blueprint graph. Must first be able to listen for input on the graph. Pressed and Released are the node options for key press event

Right click on the graph to see the context menu and type in the key of the keyboard that you would like to use for the key press. Select the key press character under Key Events that you would like to use. Two options will be pressed and released. Pressed will fire if that key is pressed. Released will fire if the associated key is released.