Touchscreen lua script: can't get "is_touch_button_pressed" to work

Hi there,

I am using the "Touch Button Event" trigger and apply this event to several buttons by defining a range of buttons as "button<2d>" in the Button field.

Now I want to use lua script to find which specific button out of the range of buttons was pressed and launch specific events accordingly. Here's the most basic test script:

if get_touch_device(TPS5, 4):is_touch_button_pressed("button01") then

  log("button01 is pressed")

end

I know that the get_touch_device(TPS5, 4) portion works because I use it extensively with other commands.

I also know that the button range definition as "button<2d>" works in the "Touch Button Event" trigger to trigger a lua script as I tested other lua commands. But I never seem to be able to get the is_touch_button_pressed to work. 

Any tips?

Thx!

Erwin

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