diff --git a/li.strolch.service/src/main/java/li/strolch/service/StrolchRootElementArgument.java b/li.strolch.service/src/main/java/li/strolch/service/StrolchRootElementArgument.java
new file mode 100644
index 000000000..f2ad1b207
--- /dev/null
+++ b/li.strolch.service/src/main/java/li/strolch/service/StrolchRootElementArgument.java
@@ -0,0 +1,9 @@
+package li.strolch.service;
+
+import li.strolch.model.StrolchRootElement;
+import li.strolch.service.api.ServiceArgument;
+
+public class StrolchRootElementArgument extends ServiceArgument {
+	private static final long serialVersionUID = 1L;
+	public StrolchRootElement rootElement;
+}
diff --git a/li.strolch.service/src/main/java/li/strolch/service/StrolchRootElementResult.java b/li.strolch.service/src/main/java/li/strolch/service/StrolchRootElementResult.java
new file mode 100644
index 000000000..9338bc357
--- /dev/null
+++ b/li.strolch.service/src/main/java/li/strolch/service/StrolchRootElementResult.java
@@ -0,0 +1,21 @@
+package li.strolch.service;
+
+import li.strolch.model.StrolchRootElement;
+import li.strolch.service.api.ServiceResult;
+import li.strolch.service.api.ServiceResultState;
+
+public class StrolchRootElementResult extends ServiceResult {
+
+	private static final long serialVersionUID = 1L;
+
+	private StrolchRootElement rootElement;
+
+	public StrolchRootElementResult(StrolchRootElement rootElement) {
+		super(ServiceResultState.SUCCESS);
+		this.rootElement = rootElement;
+	}
+
+	public StrolchRootElement getRootElement() {
+		return this.rootElement;
+	}
+}