src/Services/BaseService.php
protected function buildMultipartFormDataXMLPayload(\DTS\eBaySDK\Types\BaseType $request)
    {
        return sprintf(
            '%s%s%s',
            '--boundary'.self::CRLF,
            'Content-Disposition: form-data; name="XML Payload"'.self::CRLF.self::CRLF,
            $request->toRequestXml().self::CRLF
        );
    }
protected function buildMultipartFormDataXMLPayload(\DTS\eBaySDK\Types\BaseType $request)
    {
        return sprintf(
            '%s%s%s',
            '--boundary'.self::CRLF,
            'Content-Disposition: form-data; name="XML Payload"'.self::CRLF.self::CRLF,
            $request->toRequestXml().self::CRLF
        );
    }
Builds the XML payload part of a multipart/form-data request body.

@param \DTS\eBaySDK\Types\BaseType $request Request object containing the request information.

@return string The XML payload part of a multipart/form-data request body.