XmlFileInsertBeforeXPath Property MSBuild Extension Pack Help 4.0.12.0
Specifies the XPath to be used to control where a new element is added. The Xpath must resolve to single node.

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

Reference