The date and time the change was submitted, in the format YYYY-MM-DDThh:mm:ssZ, as specified in the ISO 8601 standard (for example,
            2009-11-19T19:37:58Z). The Z after the time indicates that the time is listed in Coordinated Universal Time (UTC), which is
            synonymous with Greenwich Mean Time in this context.
             
            
 Declaration Syntax
 Declaration Syntax| C# | 
public DateTime SubmittedAt { get; set; }