diff --git a/DataCenter_Windows/WindowsDataCenter/Interfaces/IRepository.cs b/DataCenter_Windows/WindowsDataCenter/Interfaces/IRepository.cs
index 2a8c720..908e59c 100644
--- a/DataCenter_Windows/WindowsDataCenter/Interfaces/IRepository.cs
+++ b/DataCenter_Windows/WindowsDataCenter/Interfaces/IRepository.cs
@@ -63,6 +63,7 @@
         /// <see cref="IdentifierList"/> with nested <see cref="Identifier"/> list
         /// </returns>
         IdentifierList GetUnassignedIdentifierList();
+
         /// <summary>
         /// Update a user in the system with the new values.
         /// </summary>
@@ -73,10 +74,13 @@
         /// <see cref="User"/> object detailing the new properties to assign to the user.
         /// The Id Field should not be changed, or should be -1 for new users.
         /// </param>
+        /// <param name="userId">
+        /// int - ref param, value will be the UserId of the inserted or updated user
+        /// </param>
         /// <returns>
         /// <see cref="OperationResponse"/> to indicate procedure status.
         /// </returns>
-        OperationResponse UpdateUser(User user);
+        OperationResponse UpdateUser(User user, out int userId);
         /// <summary>
         /// Create a new TimeLog Event in the repository.
         /// </summary>