So i see games that automatically search for a match, if so it joins in ? any ideas on how to get that working?
im generally talking about multiplayer matches.
I know 2 links that might interest you:
https://docs.unrealengine.com/latest/INT/Programming/Online/Interfaces/Session/
Hello there 
I’m a bit late, but maybe you still need a solution.
I released my matchmaking system on the marketplace:
It does exactly what you need, right out of the box.
Best Regards
Robin
Send ya a PM