import mx.binding.utils.ChangeWatcher;
import mx.binding.utils.BindingUtils;
private var myChangeWatcher:ChangeWatcher;
private function initHandler():void
{
myChangeWatcher = BindingUtils.bindSetter( invalidateName, nameInput, "text" );
}
private function invalidateName( arg:* ):void
{
nameField.text = nameInput.text;
}