Information about a contact's membership to a Group.
    
        
        
            
                
                    
                    
                    
                    
                
                
                    
                        | Name | 
                        Type | 
                        Description | 
                        Required | 
                    
                
                
        
                
                    | Id | 
                    Int32 (Nullable) | 
                     | 
                    No | 
                
        
                
                    | GroupId | 
                    Int32 | 
                    The Id of the Group. | 
                    Yes | 
                
        
                
                    | ContactId | 
                    Int32 | 
                    The Contact's Id. This is required when adding or updating an existing Contact's group membership. | 
                    No | 
                
        
                
                    | DateFrom | 
                    DateTime (Nullable) | 
                     | 
                    No | 
                
        
                
                    | DateTo | 
                    DateTime (Nullable) | 
                     | 
                    No | 
                
        
                
                    | OfficeId | 
                    Int32 | 
                    The Id of the Group Member Office. | 
                    Yes | 
                
        
                
                    | StatusId | 
                    Int32 | 
                    The Id of the Group Member Status. | 
                    Yes | 
                
        
                
                    | Reason | 
                    String | 
                     | 
                    No |