diff --git a/Interfaces/IXBaseReferencedProvider.cs b/Interfaces/IXBaseReferencedProvider.cs
index 7d6366b..7dfdd58 100644
--- a/Interfaces/IXBaseReferencedProvider.cs
+++ b/Interfaces/IXBaseReferencedProvider.cs
@@ -43,6 +43,13 @@ namespace xDataService.Interfaces
         /// <returns></returns>
         Task<IEnumerable<TModel>> GetAllReferences(TKey providedForId);
 
+        /// <summary>
+        /// Extract all Referencing Models for Specified Key ...
+        /// </summary>
+        /// <param name="providedForId"></param>
+        /// <returns></returns> 
+        Task<IEnumerable<XReference<TKey>>> GetAllReferencings(TKey providedForId);
+
         /// <summary>
         /// Count References ...
         /// </summary>