POST api/favorite/category/{id}/{userid}
            V2 - This method adds a favorite category for the specified user or child.
            The available categories can be retrieved through the /api/filters/categories method.
NOTE: this method ignores the X-ChildID header.
            
Request Information
URI Parameters
| Name | Description | Type | Additional information | 
|---|---|---|---|
| id | The ID for the category to add. | integer | Required | 
| userid | The ID for the user or child | globally unique identifier | Required | 
Body Parameters
None.
Response Information
Resource Description
HttpResponseMessage| Name | Description | Type | Additional information | 
|---|---|---|---|
| Version | Version | None. | |
| Content | HttpContent | None. | |
| StatusCode | HttpStatusCode | None. | |
| ReasonPhrase | string | None. | |
| Headers | Collection of Object | None. | |
| RequestMessage | HttpRequestMessage | None. | |
| IsSuccessStatusCode | boolean | None. |