eZ\Bundle\EzPublishIOBundle\BinaryStreamResponse::setFile PHP Method

    public function setFile($file, $contentDisposition = null, $autoLastModified = true)
    {
        $this->file = $file;
        if ($autoLastModified) {
            $this->setAutoLastModified();
        }
        if ($contentDisposition) {
            $this->setContentDisposition($contentDisposition);
        }
        return $this;
    }