In order to set a custom RTMP destination you will need the RTMP Server URL and the RTMP Stream Key.
Click the Custom RTMP icon and set Server URL and Stream Key.
Setting Username/Password:
Some RTMP ingest servers requires authentication.
In such case, you'll have to include the username and password in the Server URL. For example:
rtmp://username:[email protected]:8080/rtmp/
rtmps://username:[email protected]:443/rtmp/