The CategoryHierarchy contains the Category Id, Category Name, and array of child categories that are also CategoryHierarchy
| Field | Data Type | Description |
|---|---|---|
| id | integer | ID of the category |
| name | string | Name of the category |
| children | array of CategoryHierarchy | Lists the direct children of a category |
| defaultffl | 0 = FFL is not required, 1 = FFL is required, 2 = No default |