* @param {Object} oldconfig DEPRECIATED Either a prebuilt {@link Roo.form.Field} instance or a Field config object
*
* @cfg {Roo.tree.TreePanel} tree The tree to bind to.
- * @cfg {Roo.form.TextField|Object} field The field configuration
+ * @cfg {Roo.form.TextField} field [required] The field configuration
*
*
*/