How to make custom console parameters in C++?

Development Rendering
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1

In the unreal console, we can see many parameters which begin with “r.”. Now I want to make a custom console parameter, and I will use it in the program. How can I do it?
And a very important thing is, that I also want the parameter can be indexed by “r.”. Thanks!

2

I’ve solved the problem. And the code is as follows:

    IConsoleVariable* ConsoleVarGuideAudioFF = IConsoleManager::Get().FindConsoleVariable(TEXT("w.GuideAudioFF"));
    if (!ConsoleVarGuideAudioFF)
    {
        IConsoleManager::Get().RegisterConsoleVariable(TEXT("w.GuideAudioFF"),
            1.0f,
            TEXT("Defines the rate of fasting forward(FF) when the Guide is playing audio.\n")
            TEXT("And its priority is higher than that of w.SequencePlayRate.\n"),
            ECVF_Scalability | ECVF_RenderThreadSafe);
        ConsoleVarGuideAudioFF = IConsoleManager::Get().FindConsoleVariable(TEXT("w.GuideAudioFF"));
    }