Place this in the Yfield:
Check out this watchface for more linear movement:
(Specifically the Scan Line and Laser 2 layers) depending on if you want a bullet or scan line.
Also these threads helped:
--> 0 is where it starts
--> + says to add to 0 (so Y starts at 0 and gets bigger, if you want to start from the bottom of the screen you'd start with a higher number and use the - sign)
--> #Ds# is used to count seconds. If you want to make something move over the course of an hour you'd use another tag, #Dm# I think. I have an example of this in the linked watchface
--> *5.5 is number you calculate based on how far you want to move and the time required. In this case we're moving an object 330 pixels over the course of 60 seconds.. 330/60 = 5.5 So every second, it moves 5.5 pixels downwards.