diff --git a/li.strolch.model/src/main/java/li/strolch/model/StrolchModelConstants.java b/li.strolch.model/src/main/java/li/strolch/model/StrolchModelConstants.java
index 753a78ce5..8dd715a80 100644
--- a/li.strolch.model/src/main/java/li/strolch/model/StrolchModelConstants.java
+++ b/li.strolch.model/src/main/java/li/strolch/model/StrolchModelConstants.java
@@ -94,6 +94,7 @@ public class StrolchModelConstants {
 		public static final String TYPE_CONSUME = "Consume";
 		public static final String TYPE_RESERVE = "Reserve";
 		public static final String TYPE_RELEASE = "Release";
+		public static final String TYPE_WAIT = "Wait";
 
 		public static final String BAG_OBJECTIVES = "Objectives";