Mine

 $items[] = array(
	      'path' => 'node/'.arg(1).'/tasks',
	      'title' => t('Tasks'),
	      'callback' => 'task_viewAll',
	      'callback arguments' => array(arg(10)),
	      'type' => MENU_LOCAL_TASK,
	      'weight' => 1
	    );
	    $items[] = array(
	      'path' => 'node/'.arg(1).'/task/signup',
	      'title' => t('Test'),
	      'callback' => 'task_signup',
	      'type' => MENU_LOCAL_TASK,
	      'weight' => 1
	      );