diff --git a/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs b/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs
index 3c4752f7..925cb797 100644
--- a/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs
@@ -153,7 +153,9 @@ namespace IEC61850
 			BUFFER_OVERFLOW = 32,
 			ENTRY_ID = 64,
 			CONF_REV = 128,
-			ALL = 255
+			SEGMENTATION = 256,
+			ALL = SEQ_NUM | TIME_STAMP | REASON_FOR_INCLUSION | DATA_SET | DATA_REFERENCE |
+				BUFFER_OVERFLOW | ENTRY_ID | CONF_REV | SEGMENTATION
 		}
 
 		public enum Validity