public function addActionButton($label, $privilege = null, $action = 'index', array $other = array())
    {
        $other['button_only'] = true;

        return $this->addAction($label, $privilege, $action, $other);
    }
public function addActionButton($label, $privilege = null, $action = 'index', array $other = array())
    {
        $other['button_only'] = true;

        return $this->addAction($label, $privilege, $action, $other);
    }
public function addActionButton ( $ label , $ privilege = null , $ action = 'index' , array $ other = array ( ) ) { $ other [ 'button_only' ] = true ; return $ this -> addAction ( $ label , $ privilege , $ action , $ other ) ; }
Add a button only action to the current subMenuItem

@param string $label         The label to display for the menu item
@param string $privilege     The privilege for the item
@param string $action        The name of the action
@param array  $other         Array of extra options for this item, e.g. 'visible', 'allowed', 'class', 'icon', 'target', 'type', 'button_only'
@return \Gems_Menu_SubMenuItem
Add a button only action to the current subMenuItem