I am desperate… Simple use of array and it is not working… and i dont know why…
The thing is, i have an array of (basically) CameraActor references in the Multiplayer game instance blueprint and after spawning a new one, i want to add into that array. This picture is from my level blueprint. After spawning, there is a short delay and then it goes strightly into the Cast To MultiplayerInstance node. Also you can see how desperate i am from this picture 
This event is just to find out the number of elements in array. Also, the camera DOES spawn, because after all that journey trought nodes, game sets view to it, and that happens.