diff --git a/src/IB.CSharpApiClient/IBClientSocket.cs b/src/IB.CSharpApiClient/IBClientSocket.cs
index 1af7eb8..31e3a55 100644
--- a/src/IB.CSharpApiClient/IBClientSocket.cs
+++ b/src/IB.CSharpApiClient/IBClientSocket.cs
@@ -7,5 +7,10 @@ public class IBClientSocket : EClientSocket, IEClientSocket
         public IBClientSocket(EWrapper wrapper, EReaderSignal eReaderSignal) : base(wrapper, eReaderSignal)
         {
         }
+
+        public void exerciseOptions(int tickerId, Contract contract, int exerciseAction, int exerciseQuantity, string account, int ovrd)
+        {
+            throw new System.Exception("Not implemented");
+        }
     }
-}
\ No newline at end of file
+}