diff --git a/Dtos/XOpenActionDto.cs b/Dtos/XOpenActionDto.cs
index 9205342..0841e28 100644
--- a/Dtos/XOpenActionDto.cs
+++ b/Dtos/XOpenActionDto.cs
@@ -1,3 +1,4 @@
+using System;
 using xCommons.Extensions;
 using xModels.Base;
 using xModels.Dtos;
@@ -11,6 +12,7 @@ namespace xIdentityModels.Dtos
     {
         public const string HandShake = "HandShake";
         public const string GetUserInfo = "GetUserInfo";
+        public const string GetUserInfos = "GetUserInfos";
     }
 
     /// <summary>
@@ -23,7 +25,7 @@ namespace xIdentityModels.Dtos
         public string Payload { get; set; }
         public string Checksum { get; set; }
         public XDeviceDto Device { get; set; }
-        public long Timestamp { get; set; }
+        public string Timestamp { get; set; }
 
         /// <summary>
         /// Validate Model ...
@@ -37,8 +39,9 @@ namespace xIdentityModels.Dtos
                 !Timestamp.IsNull() &&
                 !Action.IsNullOrEmpty() &&
                 (Action == XOpenActions.HandShake ||
-                Action == XOpenActions.GetUserInfo) &&
-                !Timestamp.FromTimestamp().IsExPired();
+                Action == XOpenActions.GetUserInfo ||
+                Action == XOpenActions.GetUserInfos) &&
+                !Int64.Parse(Timestamp).FromTimestamp().IsExPired();
 
             //
             return result;