Detect Keys Godot Engine

The solution for this is noted below

Solution

1. Click on project
2. Click on project settings
3. Click on Input Map
4. Enter a name of custom key in action bar ("move_right", for this example)
5. Click on add event on the side of the custom key ("move_right", for this example)
7. Choose one and click on that ("key", for this example)
8. Press the button you want to add (right arrow key for this example)

THIS IS GDScript

func _process():
	if Input.is_action_pressed("move_right"):
		velocity.x += 1

Try other methods by searching on the site. That is if this doesn’t work