| Name | Type | Description | Required |
|---|---|---|---|
| Id | String | Identifier for the ComponentGroup. | Yes |
| Directory | String | Sets the default directory identifier for child Component elements. | |
| Source | String | Used to set the default file system source for child Component elements. For more information, see Specifying source files. | |
| Any Attribute (namespace='##other' processContents='lax') Extensibility point in the WiX XML Schema. Schema extensions can register additional attributes at this point in the schema. | |||