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 13563e645..c52b45cd2 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
@@ -65,6 +65,7 @@ public class StrolchModelConstants {
 	public static final String BAG_RELATIONS = "relations";
 	public static final String BAG_PARAMETERS = "parameters";
 	public static final String TYPE_PARAMETERS = "Parameters";
+	public static final String TYPE_RELATIONS = "Relations";
 	public static final String TYPE_ENUMERATION = "Enumeration";
 	public static final String TYPE_CONFIGURATION = "Configuration";