src/Publisher.php
private function getAttachmentEndPoint(string $idArticle, string $field): string
    {
        return $this->replaceEndPointId(
            $idArticle,
            $this->attachmentUrl[$field]
        );
    }
private function getAttachmentEndPoint(string $idArticle, string $field): string
    {
        return $this->replaceEndPointId(
            $idArticle,
            $this->attachmentUrl[$field]
        );
    }
get Attachment Submission url Endpoint at rest API