Creates a Game Object on all clients in a network game.
The prefab will be instanted on all clients in the game.
Optional Spawn Point.
Spawn Position. If a Spawn Point is defined, this is used as a local offset from the Spawn Point position.
Spawn Rotation. NOTE: Overrides the rotation of the Spawn Point.
Optionally store the created object.
Usually 0. The group number allows you to group together network messages which allows you to filter them if so desired.