Ecs\Request\V20140526\CreateInstanceRequest::setDataDisk4DiskName PHP Method

    public function setDataDisk4DiskName($dataDisk4DiskName)
    {
        $this->dataDisk4DiskName = $dataDisk4DiskName;
        $this->queryParameters["DataDisk.4.DiskName"] = $dataDisk4DiskName;
    }