| Attribute | Description | Type |
| description | String | |
| if | Sets the property name for the 'if' condition. The path will be ignored unless the property is defined. The value of the property is insignificant, but values that would imply misinterpretation ("false", "no") will throw an exception when evaluated. | String |
| location | File | |
| path | String | |
| refid | Reference | |
| unless | Set the property name for the 'unless' condition. If named property is set, the path will be ignored. The value of the property is insignificant, but values that would imply misinterpretation ("false", "no") of the behavior will throw an exception when evaluated. | String |