diff --git a/li.strolch.agent/src/main/java/li/strolch/runtime/query/enums/StrolchEnum.java b/li.strolch.agent/src/main/java/li/strolch/runtime/query/enums/StrolchEnum.java
index 4cc3e1d40..971aa43b5 100644
--- a/li.strolch.agent/src/main/java/li/strolch/runtime/query/enums/StrolchEnum.java
+++ b/li.strolch.agent/src/main/java/li/strolch/runtime/query/enums/StrolchEnum.java
@@ -68,6 +68,10 @@ public class StrolchEnum {
 		this.localeL = localeL;
 	}
 
+	public boolean hasValue(String id) {
+		return this.values.containsKey(id);
+	}
+
 	public String getValue(String id) {
 		return this.values.get(id);
 	}