step to Yavsc api

BookAStar/BookAStar/Model/Workflow/Estimate.cs

@@ -2,6 +2,7 @@
 using BookAStar.Helpers;
 using BookAStar.Model.Interfaces;
 using Newtonsoft.Json;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -77,5 +78,8 @@ namespace BookAStar.Model.Workflow
             }
         }
 
+        public DateTime LatestValidationDate { get; set; }
+
+        public DateTime ClientApprouvalDate { get; set; }
     }
 }