diff --git a/server/AyaNova/Controllers/AttachmentController.cs b/server/AyaNova/Controllers/AttachmentController.cs
index 2985f7db..30ae1876 100644
--- a/server/AyaNova/Controllers/AttachmentController.cs
+++ b/server/AyaNova/Controllers/AttachmentController.cs
@@ -221,7 +221,7 @@ namespace AyaNova.Api.Controllers
                 {
                     foreach (UploadedFileInfo a in uploadFormData.UploadedFiles)
                     {
-                        var v = await FileUtil.StoreFileAttachmentAsync(a.InitialUploadedPathName, a.MimeType, a.OriginalFileName, attachToObject, ct);
+                        var v = await FileUtil.StoreFileAttachmentAsync(a.InitialUploadedPathName, a.MimeType, a.OriginalFileName, a.LastModified, attachToObject, ct);
                         returnList.Add(new NameIdItem()
                         {
                             Name = v.DisplayFileName,
diff --git a/server/AyaNova/models/FileAttachment.cs b/server/AyaNova/models/FileAttachment.cs
index 975de2e7..e89f1379 100644
--- a/server/AyaNova/models/FileAttachment.cs
+++ b/server/AyaNova/models/FileAttachment.cs
@@ -1,3 +1,4 @@
+using System;
 using AyaNova.Biz;
 using System.ComponentModel.DataAnnotations;
 
@@ -8,8 +9,8 @@ namespace AyaNova.Models
     {
         public long Id { get; set; }
         public uint ConcurrencyToken { get; set; }
-       
-       
+
+
         //-----------------------------------------
         [Required]
         public long AttachToObjectId { get; set; }
@@ -21,7 +22,8 @@ namespace AyaNova.Models
         public string DisplayFileName { get; set; }
         [Required]
         public string ContentType { get; set; }//mime type       
+        [Required]
+        public DateTime LastModified { get; set; }
         public string Notes { get; set; }
-
     }
 }
\ No newline at end of file
diff --git a/server/AyaNova/models/dto/UploadedFileInfo.cs b/server/AyaNova/models/dto/UploadedFileInfo.cs
index bc96ba6e..516a7797 100644
--- a/server/AyaNova/models/dto/UploadedFileInfo.cs
+++ b/server/AyaNova/models/dto/UploadedFileInfo.cs
@@ -1,3 +1,4 @@
+using System;
 namespace AyaNova.Models
 {
 
@@ -9,6 +10,7 @@ namespace AyaNova.Models
         public string InitialUploadedPathName { get; set; }
         public string OriginalFileName { get; set; }
         public string MimeType { get; set; }
+        public DateTime LastModified {get;set;}
     }
 
 }
diff --git a/server/AyaNova/util/AySchema.cs b/server/AyaNova/util/AySchema.cs
index 6e36432b..84bdc4be 100644
--- a/server/AyaNova/util/AySchema.cs
+++ b/server/AyaNova/util/AySchema.cs
@@ -22,7 +22,7 @@ namespace AyaNova.Util
         //!!!!WARNING: BE SURE TO UPDATE THE DbUtil::EmptyBizDataFromDatabaseForSeedingOrImporting WHEN NEW TABLES ADDED!!!!
         private const int DESIRED_SCHEMA_LEVEL = 10;
 
-        internal const long EXPECTED_COLUMN_COUNT = 103;
+        internal const long EXPECTED_COLUMN_COUNT = 104;
         internal const long EXPECTED_INDEX_COUNT = 31;
 
         //!!!!WARNING: BE SURE TO UPDATE THE DbUtil::EmptyBizDataFromDatabaseForSeedingOrImporting WHEN NEW TABLES ADDED!!!!
@@ -236,7 +236,7 @@ namespace AyaNova.Util
 
                 await ExecQueryAsync("CREATE TABLE afileattachment (id BIGSERIAL PRIMARY KEY, " +
                 "attachtoobjectid bigint not null, attachtoobjecttype integer not null, " +
-                "storedfilename text not null, displayfilename text not null, contenttype text, notes text)");
+                "storedfilename text not null, displayfilename text not null, contenttype text, lastmodified timestamp not null, notes text)");
 
                 //index required for ops that need to check if file already in db (delete, count refs etc)
                 //LOOKAT: isn't this useless without the ID as well or is that not fetched?
diff --git a/server/AyaNova/util/FileUtil.cs b/server/AyaNova/util/FileUtil.cs
index f24a8662..de91b243 100644
--- a/server/AyaNova/util/FileUtil.cs
+++ b/server/AyaNova/util/FileUtil.cs
@@ -253,14 +253,10 @@ namespace AyaNova.Util
 
         /// <summary>
         /// Store a file attachment
-        /// </summary>
-        /// <param name="tempFilePath"></param>
-        /// <param name="contentType"></param>
-        /// <param name="fileName"></param>
-        /// <param name="attachToObject"></param>
-        /// <param name="ct"></param>
+        /// </summary>      
         /// <returns></returns>
-        internal static async Task<FileAttachment> StoreFileAttachmentAsync(string tempFilePath, string contentType, string fileName, AyaTypeId attachToObject, AyContext ct)
+        internal static async Task<FileAttachment> StoreFileAttachmentAsync(string tempFilePath, string contentType, string fileName, DateTime lastModified,
+         AyaTypeId attachToObject, AyContext ct)
         {
             //calculate hash
             var hash = FileHash.GetChecksum(tempFilePath);
@@ -291,7 +287,8 @@ namespace AyaNova.Util
                 Notes = string.Empty,
                 ContentType = contentType,
                 AttachToObjectId = attachToObject.ObjectId,
-                AttachToObjectType = attachToObject.ObjectType
+                AttachToObjectType = attachToObject.ObjectType,
+                LastModified=lastModified
             };
 
             //Store in DB