| Name | Description | Type | Additional information | 
|---|---|---|---|
| GroupId | integer | 
                             None.  | 
                |
| GroupName | string | 
                             None.  | 
                |
| IsActive | boolean | 
                             None.  | 
                |
| TotalContacts | integer | 
                             None.  | 
                |
| IsOptinGroup | boolean | 
                             None.  | 
                |
| OptinGroupName | string | 
                             None.  | 
                |
| UserId | integer | 
                             None.  | 
                |
| Contacts | Collection of Contacts | 
                             None.  | 
                |
| Users | Users | 
                             None.  |