From 64df0f90b57627c8b8bdbfffe264bbe38fe33531 Mon Sep 17 00:00:00 2001
From: Tomas Lycken <tlycken@users.noreply.github.com>
Date: Tue, 5 Dec 2017 17:13:22 +0100
Subject: [PATCH] Add nullability in extension method

---
 src/RdbmsEventStore/EventStoreExtensions.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/RdbmsEventStore/EventStoreExtensions.cs b/src/RdbmsEventStore/EventStoreExtensions.cs
index e80030a..a8b4eb0 100644
--- a/src/RdbmsEventStore/EventStoreExtensions.cs
+++ b/src/RdbmsEventStore/EventStoreExtensions.cs
@@ -25,7 +25,7 @@ public static Task<IEnumerable<TEvent>> Events<TStreamId, TEvent, TEventMetadata
             where TEventMetadata : class, IEventMetadata<TStreamId>
             => store.Events(events => events.Where(e => e.StreamId.Equals(streamId)).Apply(query));
 
-        public static Task Append<TStreamId, TEvent, TEventMetadata>(this IEventStore<TStreamId, TEvent, TEventMetadata> store, TStreamId streamId, DateTimeOffset versionBefore, object payload)
+        public static Task Append<TStreamId, TEvent, TEventMetadata>(this IEventStore<TStreamId, TEvent, TEventMetadata> store, TStreamId streamId, DateTimeOffset? versionBefore, object payload)
             where TStreamId : IEquatable<TStreamId>
             where TEvent : class, TEventMetadata, IEvent<TStreamId>
             where TEventMetadata : class, IEventMetadata<TStreamId>