| Class | Description | 
|---|---|
| GetCategoriesAction | 
 Get the categories for one calendar for a user 
 | 
| SetCategoriesAction | 
 Set the categories for one calendar for a user 
 | 
| SetFilterInRequestAttributesAction | 
 This action creates a filter for RSS calendar 
 | 
| SetICalFilenameHeader | 
 Set the .ics filename in response header 
 |