Wheter or not joystick button is pressed (boolean)
+xnumber
Joystick positive x-axis value.
-xnumber
Joystick negative x-axis value.
To use the node in your project you should have the jdhartman/testing-things library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.