|Values:||Boolean values: yes or no, true or false, 1 or 0|
This flag specifies whether an animation should reverse after completing a loop. If , the animation will play forward until it reaches the frame defined by . It will then play backwards from to . If (infinite loop), the animation will repeat a cycle of playing backward and forward.
is a bugged key. It causes the game to become confused when the animation has damage frames. The Tiberian Sun GDI Radar has this bug. The damaged radar dish animation will jump between frames and once the GDI Radar is fully repaired it will continue to play the damaged radar dish animation.