From 5de3164e580a4d2e993fb14abb4d7b1bcabe2437 Mon Sep 17 00:00:00 2001
From: Leonhard Reichenbach <leonhard.reichenbach@cern.ch>
Date: Tue, 14 Nov 2023 10:23:46 +0100
Subject: [PATCH] Add EventHeader constant

---
 include/edm4hep/Constants.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/edm4hep/Constants.h b/include/edm4hep/Constants.h
index 6857a56f2..7734cdd8a 100644
--- a/include/edm4hep/Constants.h
+++ b/include/edm4hep/Constants.h
@@ -21,6 +21,7 @@
 
 namespace edm4hep {
 static constexpr const char* CellIDEncoding = "CellIDEncoding";
-}
+static constexpr const char* EventHeader = "EventHeader";
+} // namespace edm4hep
 
 #endif // EDM4HEP_CONSTANTS_H