Error in my Extent

RafaelMiranda

Hello!!!!
I'm having doubts should I fill with my WKID and Extent. I would like the Extent of Brazil. I'm using this basemap that order, the number 4 is my map, the coordinate of it is:
Geographic Coordinate System: Geographic Coordinate System
Datum: WGS84

Thanks


<esri:extent>
       <esri:Extent id="MapaExtent" xmax="?????????" ymax="?????????" xmin="?????????" ymin="?????????">
              <esri:SpatialReference wkid="?????????"/>
       </esri:Extent>
</esri:extent>

1 - <esri:ArcGISTiledMapServiceLayer visible="true" url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer"/>

2 - <esri:ArcGISTiledMapServiceLayer visible="true" url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer"/>

3 - <esri:ArcGISTiledMapServiceLayer visible="true" url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer"/>

4 - <esri:ArcGISDynamicMapServiceLayer id="DynamicMap" url="http://xyz.xyz.x.xyz/ArcGIS/rest/services/Acervo/MapServer" load="DynamicMap.defaultVisibleLayers()" visible="true"/>

RafaelMiranda

Robert
you help me a lot, thank you very much