1 <layers>

     2 	<visual>

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

     4 			<duration>0.5</duration>

     5 			<keyframe at="0.0">0</keyframe>

     6 			<keyframe at="1.0">90</keyframe>

     7 		</param>

     8 	

     9 		<param name="rotation_origin_x" ref="visual.width">0.5</param>

    10 		<param name="rotation_origin_y" ref="visual.height">0.5</param>

    11 		<param name="rotation_axis_y">-1</param>

    12 	

    13 		<param name="opacity" type="anim">

    14 			<duration>0.5</duration>

    15 			<keyframe at="0.0">1.0</keyframe>

    16 			<keyframe at="1.0">0.5</keyframe>

    17 		</param>

    18 	</visual>

    19 </layers>