Configuring radio streams with minimwatch

[lateloss]

I'd be grateful for some help with configuring hi-def internet radio streams using minimwatch/server. I'm running minimserver on a synology NAS and therfore controlling it with minimwatch. To access radio streams the user guide mentions specifying a playlist (m3u) file in order to run this, but where can I input the stream location in minimwatch? Do I have to access minimserver directly on the NAS to do this?