diff --git a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
index b17317c4..46e208fd 100644
--- a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
@@ -67,7 +67,10 @@ namespace IEC61850
 			private static extern void MmsConnection_setLocalDetail (IntPtr self, Int32 localDetail);
 
 			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
-			private static extern Int32 MmsConnection_getLocalDetail (IntPtr self);
+			private static extern Int32 MmsConnection_getLocalDetail (IntPtr self);
+
+            [DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+            private static extern Int32 MmsConnection_setRequestTimeout(IntPtr self, UInt32 timeoutInMs);
 
 
 			private IntPtr self = IntPtr.Zero;
@@ -114,7 +117,12 @@ namespace IEC61850
 
 			public int GetLocalDetail() {
 				return MmsConnection_getLocalDetail (self);
-			}
+			}
+
+            public void SetRequestTimeout(uint timeoutMs)
+            {
+                MmsConnection_setRequestTimeout(self, timeoutMs);
+            }
 
 		}