diff --git a/EnvelopeGenerator.Common/Constants.vb b/EnvelopeGenerator.Common/Constants.vb
index d47d5bce..b63fe6f7 100644
--- a/EnvelopeGenerator.Common/Constants.vb
+++ b/EnvelopeGenerator.Common/Constants.vb
@@ -21,6 +21,7 @@
         SignatureConfirmed = 2006
         DocumentRejected = 2007
         EnvelopeShared = 2008
+        EnvelopeViewed = 2009
         MessageInvitationSent = 3001        ' Wird von Trigger verwendet
         MessageAccessCodeSent = 3002
         MessageConfirmationSent = 3003