Can i define noskillmenu flag in map cluster?

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As title say, can i do it? Cause i want to make quake like map to pick difficulty there etc. But on zdoom wiki i only see that it can be done for sure in episode definition, but i dont see anything like that for cluster, but if i define an episode it will show it in the menu to choose it from what i read there and i dont want it. Please explain it to me how it works and how do i make skill selection screen gone. Thanks in advance!