Retrieves a category object matching an identifier. 
 Overload List
| Name | Description | |
|---|---|---|
|   | Item String |  Gets a category which has the specified name from this list of top-level categories. (Overrides  CategoryNameMap Item String  .) | 
|   | Item BuiltInCategory |  Retrieves a category object corresponding to a BuiltInCategory id.  |