notes for Masks mit custom paths in after effects:
in photoshop
create path in photoshop go to path panel, select path select all (crtl + a) copy (crtl + c) paste in aftereffects on solid press m to see mask path clock watch (deselect it, then select points)
in illustrator
create document same size (1920 x 1080) draw shape edit -> copy create solid in aftereffects edit -> paste