Server

Server Queue Subsystem

Game Instance subsystem, active on the server.

Function / event	Description
Is Active	Whether the queue runs on this server
Reload Settings	Rereads settings and recreates providers, like ServerQueue.Reload
Get Queue Length	Places in the queue; a party counts once
Get Num Waiting Players	Waiting players, party members included
Get Num Players In Game	Players in the game
Get Num Free Slots	Free slots
Remove Player	Removes a waiting player or cancels their unused reservation. Removing a party leader takes the party out of the queue
Set Player Priority	Sets a player's priority until the next reload and reorders the queue
On Queue Status Changed	The queue or the slots changed, for example to publish the numbers to your own server list

Server Queue Beacon Host Subsystem

World subsystem on the server. With Auto Start Beacon Host on (the default) the beacon starts by itself when a server world begins play, so you only need it to control the beacon yourself.

Function	Description
Start Beacon Host	Starts listening on the beacon port
Stop Beacon Host	Stops the beacon
Is Hosting	Whether the beacon is listening

Blueprint providers

Subclass these in Blueprint and add them in Project Settings:

Class	Override	See
Blueprint Permission Provider	Get Priority	Priorities
Blueprint Auth Provider	Is Player Valid	Player verification