How to connect an external Neopix to a PIX 6c mini

Hi good day. My very first “post” hope I’m doing this right - Please help

I have a Pixhawk 6c Mini (in the drone, its set and flying well). I need an external light that matches my compass/GPS light (M9N)
I have read the documentation, done all the required setting in (NTF). I have set the servo function to NeoPix in Missions , I’ve set the setting to accept a Neopix.

But I just can not get the external Neo to work ( the neo does work I have tested it)

it would be very much appreciated if some one can assist me to get this little light to work

Thank you