Download the sample configuration file, or see the following example:
<?xml version="1.0" encoding="utf-8"?>
<configuration version="2.3">
<enableCheckForUpdates>True</enableCheckForUpdates>
<general>
<workspace autoSave="True">
<directory></directory>
</workspace>
<!--Custom or History-->
<startupView>
<type>Custom</type>
<camera>
<mapPoint>
<wkid>4326</wkid>
<x>-92</x>
<y>41</y>
<z>11000000</z>
</mapPoint>
<heading>0</heading>
<pitch>0</pitch>
<roll>0</roll>
</camera>
</startupView>
<!--WebMercator or WGS84-->
<spatialReference>WebMercator</spatialReference>
<popup>
<!--Set to True to enable popup window size automatically auto-fits the content.-->
<isAutoFitWindow>False</isAutoFitWindow>
<!--Set to True to view web content in an external browser.-->
<isShowInExternalBrowser>False</isShowInExternalBrowser>
</popup>
<isShowStartupTips>True</isShowStartupTips>
<!--Display language: English Japanese Polish Russian French Spanish German-->
<!--Example: https://developers.arcgis.com/rest/users-groups-and-items/languages.htm-->
<!--If the value is System, then the display language will match Microsoft Windows.-->
<language>System</language>
</general>
<navigation>
<!--speed: 0 ~ 100-->
<!--angle: Default or None-->
<flyto>
<speed>50</speed>
<autoZoomToNewLayer>True</autoZoomToNewLayer>
<angle>Default</angle>
</flyto>
<!--speed:0 ~ 100; zoomDirection:Forward or Backward-->
<mouseWheel>
<speed>50</speed>
<zoomDirection>Forward</zoomDirection>
</mouseWheel>
<!-- Default Expanded Collapsed -->
<navigatorMode>Default</navigatorMode>
<continuousPanning>True</continuousPanning>
<nonMouseController enable="False" reverse="False"/>
</navigation>
<environments>
<!--None, Horizon, Realistic-->
<atmosphere>Horizon</atmosphere>
<elevationExaggeration>1</elevationExaggeration>
<!--Maximum allowable is 1000-->
<elevationExaggerationMax>100</elevationExaggerationMax>
<!--On or Off-->
<undergroundNavigation>Off</undergroundNavigation>
<!--[0, 100]-->
<groundTransparency>0</groundTransparency>
</environments>
<units>
<!--DD DMS UTM_Meter UTM_Feet MGRS-->
<location>DMS</location>
<!--Meters Inches Feet Kilometers Miles NauticalMiles Yards-->
<distance>Meters</distance>
<!--Meters Inches Feet Kilometers Miles NauticalMiles Yards-->
<elevation>Meters</elevation>
<!--SquareMeters SquareMiles SquareYards Acres Ares Hectares SquareCentimeters SquareDecimeters SquareFeet SquareInches SquareKilometers-->
<area>SquareMeters</area>
<!--360 180-->
<heading>360</heading>
<isLongitudeFront>False</isLongitudeFront>
</units>
<advanced>
<proxy use="False">
<address></address>
<username></username>
<password></password>
</proxy>
</advanced>
<!--Admin Settings-->
<isDefaultKmlViewer>False</isDefaultKmlViewer>
<isDefaultMspkViewer>True</isDefaultMspkViewer>
<enableHtmlWindow>False</enableHtmlWindow>
<enableTableDataExport>True</enableTableDataExport>
<blockArcGISOnline>False</blockArcGISOnline>
<findInTOC>False</findInTOC>
<portals disableAddPortal ="False">
<portal url="https://www.arcgis.com"/>
</portals>
<fonts>
<symbolFontName>Avenir Next LT Pro</symbolFontName>
</fonts>
<log enable="True">
<!--Debug Info Warning or Error-->
<category>Info</category>
<rollSizeKB>10000</rollSizeKB>
<maxArchivedFiles>1000</maxArchivedFiles>
</log>
<startupLayers name="" visible="True" icon="">
<!--
<layer name="" type="KML" url="C:\test.kml" visible="True" icon="c:\test.jpg"/>
<layer name="" type="Shapefile" url="C:\test.shp" visible="False" icon="c:\test.jpg"/>
<layer name="" type="GeoJSON" url="C:\test.geojson" visible="True" icon="c:\test.jpg"/>
<group name="group_name_1" visible="True" icon="c:\test.jpg">
<layer name="" type="WMS" url="http://myservername.esri.com/someservice/servicename/MapServer/WMSServer" visible="True" icon="c:\test.jpg"/>
<layer name="" type="MapService" url="http://myservername.esri.com/someservice/servicename/MapServer" visible="False" icon="c:\test.jpg"/>
<group name="group_name_2" visible="False">
<layer name="" type="FeatureService" url="http://myservername.esri.com/someservice/servicename/FeatureServer" visible="True" icon="c:\test.jpg"/>
<layer name="" type="ImageService" url="http://myservername.esri.com/someservice/servicename/ImageServer" visible="False" icon="c:\test.jpg"/>
</group>
<layer name="" type="SceneService" url="http://myservername.esri.com/someservice/servicename/SceneServer" visible="True" icon="c:\test.jpg"/>
</group>
<layer name="" type="VectorTileService" url="http://myservername.esri.com/someservice/servicename/VectorTileServer" visible="False" icon="c:\test.jpg"/>
<layer name="" type="VectorTilePackage" url="C:\test.vtpk" visible="False" icon="c:\test.jpg"/>
<layer name="" type="TilePackage" url="C:\test.tpk" visible="False" icon="c:\test.jpg"/>
<layer name="" type="SceneLayerPackage" url="C:\test.slpk" visible="True" icon="c:\test.jpg"/>
<layer name="" type="Raster" url="C:\test.tif" visible="True" icon=""/>
<layer name="" type="WebMap" url="http://myservername.esri.com/home/item.html?id=xxx" visible="True" icon="c:\test.jpg"/>
<layer name="" type="WebScene" url="http://myservername.esri.com/home/item.html?id=xxx" visible="True" icon="c:\test.jpg"/>
<layer name="" type="MobileScenePackage" url="C:\test.mspk" visible="True" icon=""/>
<layer name="" type="MobileMapPackage" url="C:\test.mmpk" visible="True" icon=""/>
<layer name="" type="GeoPackage" url="C:\test.gpkg" visible="True" icon=""/>
<layer name="" type="MobileGeodatabase" url="C:\test.geodatabase" visible="True" icon=""/>
<layer name="" type="WMS" url="http://myservername.esri.com/someservice/servicename/MapServer/WMSServer" visible="True" icon="c:\test.jpg">
<layer name="sub-layer-1" title="sub layer 1"/>
<layer name="sub-layer-2" title="sub layer 2"/>
</layer>
<layer visible="True">
<name>startup-wfs</name>
<type>WFS</type>
<url>http://myservername.esri.com/someservice/servicename/WFSServer?service=wfs&request=getcapabilities</url>
<layer>
<name>workspace:layer1</name>
<maxFeatures>3000</maxFeatures>
<swapxy>False</swapxy>
</layer>
<icon>c:\test.jpg</icon>
</layer>
-->
</startupLayers>
<organizationalBasemaps>
<!--
<basemap name="basemap_webmap" type="WebMap" url="http://myservername.esri.com/home/item.html?id=xxx"/>
<basemap name="basemap_kml" type="KML" url="C:\test.kml"/>
<basemap name="basemap_wms" type="WMS" url="http://myservername.esri.com/someservice/servicename/MapServer/WMSServer"/>
<basemap name="basemap_mapservice" type="MapService" url="http://myservername.esri.com/someservice/servicename/MapServer"/>
<basemap name="basemap_featureservice" type="FeatureService" url="http://myservername.esri.com/someservice/servicename/FeatureServer"/>
<basemap name="basemap_imageservice" type="ImageService" url="http://myservername.esri.com/someservice/servicename/ImageServer"/>
<basemap name="basemap_sceneservice" type="SceneService" url="http://myservername.esri.com/someservice/servicename/SceneServer"/>
<basemap name="basemap_vectortileservice" type="SceneService" url="http://myservername.esri.com/someservice/servicename/VectorTileServer"/>
<basemap name="basemap_vectortilepackage" type="VectorTilePackage" url="C:\test.vtpk"/>
<basemap name="basemap_tilepackage" type="TilePackage" url="C:\test.tpk"/>
<basemap name="basemap_scenelayerpackage" type="SceneLayerPackage" url="C:\test.slpk"/>
<basemap name="basemap_raster" type="Raster" url="C:\test.tif"/>
-->
</organizationalBasemaps>
<organizationalTerrains>
<!--
<terrain name="terrain_single_file" enable="False" url = "C:\test.tif"/>
<terrain name="terrain_service" enable="False" url = "http://<elevation3d.arcgis.com>/<arcgis>/rest>/services>/WorldElevation3D>/Terrain3D>/ImageServer"/>
<terrain enable="True">
<name>terrain_multi_file</name>
<path>C:\test.dt1</path>
<path>C:\test.dt2</path>
</terrain>
-->
</organizationalTerrains>
<positionServiceUrl>
<!--
<urlwithpos>http://127.0.0.1:8585/pointBasedService?lon=%LONGITUDE%&lat=%LATITUDE%&elv=%ELEVATION%&output=.kml</urlwithpos>
<urlwithoutpos>http://127.0.0.1:8585/randomService?&output=.kml</urlwithoutpos>
-->
</positionServiceUrl>
<localKmlIcons enable="False">
<directory></directory>
</localKmlIcons>
<directoryStyleLink enable="False">
<text></text>
<url>https://esri-styles.maps.arcgis.com/home/group.html?id=e373003b7c144a23bba0c1fe4e7addd3#overview</url>
</directoryStyleLink>
<aboutSettings>
<acknowledgement visible="True">
<text></text>
<url>https://www.esri.com/en-us/legal/requirements/open-source-acknowledgements</url>
</acknowledgement>
<help>
<text></text>
<url>https://www.esri.com/en-us/arcgis/products/arcgis-earth/resources</url>
</help>
<submitFeedback visible="True">
<text></text>
<url>https://community.esri.com/t5/arcgis-earth/ct-p/arcgis-earth</url>
</submitFeedback>
</aboutSettings>
<bannerSettings visible="False">
<bannerBar>
<height>58</height>
<background>#88000000</background>
<bottomOffset>125</bottomOffset>
</bannerBar>
<bannerText>
<content>Welcome to ArcGIS Earth</content>
<!--Left Center or Right-->
<contentAlignment>Center</contentAlignment>
<fontColor>#ffffff</fontColor>
<fontName>Avenir Next LT Pro</fontName>
<fontSize>24</fontSize>
<!--Normal Italic-->
<fontStyle>Normal</fontStyle>
</bannerText>
</bannerSettings>
<automationAPI>
<autoStart>False</autoStart>
</automationAPI>
</configuration>