--- a/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/MultiAttributeData.java	Tue Aug 05 18:03:45 2014 +0200
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/MultiAttributeData.java	Tue Aug 05 18:28:04 2014 +0200
@@ -1,5 +1,7 @@
 package org.dive4elements.river.client.shared.model;
 
+import java.util.Map;
+
 
 public class MultiAttributeData
 implements Data
@@ -10,6 +12,8 @@
     protected String label;
     protected String description;
 
+    protected Map<String, Map<String, String>> meta;
+
     public DataItem[] opts;
 
 
@@ -17,12 +21,20 @@
     }
 
 
-    public MultiAttributeData(String label, String desc, DataItem[] opts) {
+    public MultiAttributeData(
+        String                           label,
+        String                           desc,
+        DataItem[]                       opts,
+        Map<String, Map<String, String>> meta
+    ) {
         this.label       = label;
         this.description = desc;
         this.opts        = opts;
     }
 
+    public Map<String, Map<String, String>> getMeta() {
+        return meta;
+    }
 
     /**
      * Returns the label of the item.