CmdID / PowerShell / Cmdlets / Get
Get-IISConfigAttributeValue
Gets a configuration attribute value from an IIS configuration section or configuration element attribute. Windows Server PowerShell reference
From the Windows Server PowerShell reference 2 parameters Its page in the reference
Parameters
-AttributeNameSpecifies the name of the attribute that will be retrieved.-ConfigElementSpecifies the IIS ConfigurationSection or ConfigurationElement for which the attribute value will be looked up.