diff --git a/constants/lib.go b/constants/lib.go
index 8b2065c..68d282d 100644
--- a/constants/lib.go
+++ b/constants/lib.go
@@ -75,4 +75,5 @@ const (
 	ENV_REPLAY_ALIAS          = "REPLAY_ALIAS"
 	ENV_REPLAY_VER            = "REPLAY_VER"
 	ENV_REPLAY_QUEUEID        = "REPLAY_QUEUEID"
+	ENV_REPLAY_PRECMDS        = "REPLAY_PRECMDS"
 )