open-streaming-deployment/config/rtmp-configuration.json

{
  "endpoint": "live",
  "rebroacastList": [
    {
      "name": "osp",
      "platform": "custom",
      "fullRTMPURL": "rtmp://osp.streaming.live.datenspuren.de/stream/336f96db-0434-4142-b746-07810b8f8658"
    }
  ]
}