Filter: Glaxnimate mask - opacity of mask filling

[MusicalBox]

Maybe I’m missing something, but isn’t it more or less the same question as in this topic?

Mask: From file - resize, reposition

Hi I would like to make a trailer for my YT channel. I have a png mask in the shape of a car part that comes out of the phone screen at the end of the video but I would need to resize and reposition the mask as the car moves. I have applied the filters - Mask: From file and pasted the PNG image , Size, position and rotation, Mask: Apply. But I can’t track the movement of the car with the mask - is that even possible? Thank you in advance if someone more experienced could advise me. Here is a sam…