File _service of Package viber
<services>
<service name="download_url">
<param name="url">https://download.cdn.viber.com/desktop/Linux/viber.rpm</param>
<param name="filename">viber.rpm</param>
</service>
</services>
<services>
<service name="download_url">
<param name="url">https://download.cdn.viber.com/desktop/Linux/viber.rpm</param>
<param name="filename">viber.rpm</param>
</service>
</services>