Creating polygons in MXML

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
  layout="absolute"
  xmlns:geom="com.esri.aws.awx.geom.*"
  xmlns:arcwebservices="http://www.arcwebservices.com/2007/awx"
  >
  <arcwebservices:Framework/>
  <arcwebservices:Map>
    <arcwebservices:basemaps>
      <arcwebservices:PolygonLayer>
        <arcwebservices:Polygon>
          <arcwebservices:shape>
            <geom:PolygonShape>
              <geom:geoPoints>
                <geom:GeoPoint x="45" y="45"/>
                <geom:GeoPoint x="45" y="-45"/>
                <geom:GeoPoint x="-45" y="45"/>                              
              </geom:geoPoints>
            </geom:PolygonShape>
          </arcwebservices:shape>
        </arcwebservices:Polygon>
      </arcwebservices:PolygonLayer>
    </arcwebservices:basemaps>
  </arcwebservices:Map>
</mx:Application>