An opaque string that indicates the position at which the virtual tape recovery points that were listed for description ended. Use this
            marker in your next request to list the next set of virtual tape recovery points in the list. If there are no more recovery points to
            describe, this field does not appear in the response.
             
            
Constraints:
 Declaration Syntax
 Declaration Syntax| C# | 
public string Marker { get; set; }