| Name | Description | Type | Additional information | 
|---|---|---|---|
| CustomFieldID | 
                         Unique identifier for the Custom Field  | 
                    integer | 
                             None.  | 
                
| FieldName | 
                         The name of the custom field  | 
                    string | 
                             None.  | 
                
| Description | 
                         The description of the field  | 
                    string | 
                             None.  | 
                
| IsMultiselect | 
                         Can multiple values be specfied for this field  | 
                    boolean | 
                             None.  | 
                
| LimitToLookups | 
                         If LimitToLookups is true, users may only set a value that is present in the lookups list.  | 
                    boolean | 
                             None.  | 
                
| CanAddLookup | 
                         If CanAddLookup is true, users may add new values to the lookup list. New items must be added to the list before they can be used on an article / media.  | 
                    boolean | 
                             None.  | 
                
| CanRequestLookup | 
                         If CanRequestLookup is true, a user can suggest that a value be added to the lookup list, but it will not be available for assignement to an article / media until it has been approved an administrator.  | 
                    boolean | 
                             None.  |