Iis6ServiceExtensionFileGroupId Property MSBuild Extension Pack Help 4.0.12.0
A unique text ID associated with one or more ISAPIs or CGIs required for enabling the group

Namespace: MSBuild.ExtensionPack.Web
Assembly: MSBuild.ExtensionPack (in MSBuild.ExtensionPack.dll) Version: 4.0.0.0
See Also

Reference