Index: main/src/com/smartgwt/client/data/DataSourceField.java
===================================================================
--- main/src/com/smartgwt/client/data/DataSourceField.java	(revision 1490)
+++ main/src/com/smartgwt/client/data/DataSourceField.java	(working copy)
@@ -780,6 +780,27 @@
     public String getName()  {
         return getAttributeAsString("name");
     }
+    
+    /**
+     * Causes a tooltip hover to appear on the header generated for this data source field (effectively sets {@link
+     * com.smartgwt.client.widgets.Canvas#getPrompt prompt} for the header).
+     *
+     * @param prompt prompt Default value is null
+     */
+    public void setPrompt(String prompt) {
+        setAttribute("prompt", prompt);
+    }
+    
+    /**
+     * Causes a tooltip hover to appear on the header generated for this field (effectively sets {@link
+     * com.smartgwt.client.widgets.Canvas#getPrompt prompt} for the header).
+     *
+     *
+     * @return String
+     */
+    public String getPrompt()  {
+        return getAttributeAsString("prompt");
+    }
 
     /**
      * Whether this field holds a value unique across all records in this DataSource.&#010 <p>&#010 A DataSource that can