locked Print PDF app.project.item(index).layer(index).mask(index).locked Description When true, the mask is locked and cannot be edited in the user interface; otherwise, false. Type Boolean; read/write. Other Tags after application attribute box can Collection color containing current dialog effects enabled error File footage frame from has Items keyframe layer layers name new none null number object on Point position property render seconds set setting settings source text time use user value values with Posted in MaskPropertyGroup object and tagged layer, locked, mask, user.