1 <layers>

     2   <visual>

     3     <param name="scale_x" type="anim">

     4         <duration>0.3</duration>

     5         <style>outback</style>

     6         <keyframe at="0.0">0.0</keyframe>

     7         <keyframe at="0.5">0.5</keyframe>

     8         <keyframe at="1.0">1.0</keyframe>

     9     </param>

    10     <param name="scale_origin_x" ref="visual.right">1</param>

    11   </visual>

    12 </layers>