mobile joystick in scripting

can anyone hellp me with a problem i have
in the bluprint of my charecter i wanted to add event on joystick movment (like the keyword event )
but i cant figure out how to do so , iv tried gamepad left x axis it didnt work
any idea
(i want to make an event that happens on moving my joystik to a direction

can anyone help im stuck till i find a way to do it