diff --git a/R7.Dnn.Extensions/Modules/EditPortalModuleBase.cs b/R7.Dnn.Extensions/Modules/EditPortalModuleBase.cs
index 8485c6f..17834c6 100644
--- a/R7.Dnn.Extensions/Modules/EditPortalModuleBase.cs
+++ b/R7.Dnn.Extensions/Modules/EditPortalModuleBase.cs
@@ -282,6 +282,13 @@ protected virtual TItem GetItemWithDependencies (TItemId itemId)
             return GetItem (itemId);
         }
 
+        /// <summary>
+        /// Gets the integer identifier of the item.
+        /// </summary>
+        /// <returns>The integer identifier.</returns>
+        /// <param name="item">Item.</param>
+        protected abstract TItemId GetItemId (TItem item);
+
         /// <summary>
         /// Implement method which will get item by id.
         /// Usually there is no need to return extra data