who code example

Example 1: who

<field id="UserName" sourceName="UserName" sourceType="
 BuiltIn " logHeaderName="cs-username" category="Default" loggingDataType="TypeLPCSTR" />

Example 2: who

<field id="UserName" sourceName="UserName" sourceType="
 RequestHeader " logHeaderName="cs-username" category="Default" loggingDataType="TypeLPCSTR" />

Example 3: who

appcmd.exe set config -section:system.webServer/advancedLogging/server
/fields.[id='UserName'].sourceType:"BuiltIn" /commit:apphost