Order of Methods? Creating Custom Spawning

So I'm trying to dig deeper into UNet, but I think my understanding of what happens when a player connects to a host/server (via MatchMaker) is a bit off. I know the following order:

1. singleton.matchMaker.JoinMatch()
2. singleton.OnMatchJoined()
3. singleton.StartClient()
4. ???

I don't know what comes next. Basically I'm trying to learn how to write my own process for connecting to the host/server. What I need to accomplish is:

1. Player signs in. (I've done this...

Order of Methods? Creating Custom Spawning