The starting point for the results to be returned. The first time you call ListPipelines, this value should be empty. As long as the
            action returns HasMoreResults as True, you can call ListPipelines again and pass the marker value from the response to
            retrieve the next set of results.
             
            
Constraints:
 Declaration Syntax
 Declaration Syntax| C# | 
public string Marker { get; set; }