MultiplayerTest.Build.cs - For Video: https://youtu.be/jc0COamYRm4

MultiplayerTest.Build.cs

using UnrealBuildTool;

public class MultiplayerTest : ModuleRules
{
	public MultiplayerTest(ReadOnlyTargetRules Target) : base(Target)
	{
		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;

		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "HeadMountedDisplay" });
		
		PrivateDependencyModuleNames.AddRange(new string[] { "OnlineSubsystem", "OnlineSubsystemNull", "OnlineSubsystemSteam"});
	}
}