src/Smalot/V2/Magento/Order/Order.php
public function addComment($orderIncrementId, $status, $comment = null, $notify = null)
    {
        return $this->__createAction('salesOrderAddComment', func_get_args());
    }
public function addComment($orderIncrementId, $status, $comment = null, $notify = null)
    {
        return $this->__createAction('salesOrderAddComment', func_get_args());
    }
public function addComment ( $ orderIncrementId , $ status , $ comment = null , $ notify = null ) { return $ this -> __createAction ( 'salesOrderAddComment' , func_get_args ( ) ) ; }
Allows you to add a new comment to the order.

@param string $orderIncrementId
@param string $status
@param string $comment
@param string $notify

@return ActionInterface
Allows you to add a new comment to the order .