1 <layers>

     2   <visual>

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

     4           at="0">0.0</keyframe><duration>0.3</duration><keyframe

     5           at="1.0">1.0</keyframe><style>outback</style></param>

     6     <param name="scale_origin_x" ref="visual.width">0.0</param>

     7     <param name="scale_origin_y" ref="visual.height">0.0</param>

     8   </visual>

     9 </layers>