Identifies the parent File as a formats XML file for the referenced PowerShell snap-in. A formats XML file that defines output formats for objects on the pipeline. Extensibility point in the WiX XML Schema. Schema extensions can register additional elements at this point in the schema. Reference to the formats File ID. This is required when nested under the SnapIn element. Reference to the PowerShell snap-in ID for which this formats file is associated. This is required when nested under the File element. Extensibility point in the WiX XML Schema. Schema extensions can register additional attributes at this point in the schema.