Trying to create a superflat dimension

[plain shadow]

Hi i'm trying to add a dimension in my modded server (Big chad guys+) and i've heard that I can do that with datapacks. I tried one on modrinth and also tried to make my own on misode but whenever i check /datapack list it doesnt appear and i cant find it in the /execute command. I'm currently just testing in a singleplayer instance and honestly i'm very lost cause I cant find a straightforward answer online on how to go about getting it to work. I'm running version 1.20.1 and have tried just straight up putting the .json in the datapacks folder of my world which is probably wrong and also looking at how it was done by the one from modrinth with the folders and whatnot but failed to replicate it.

Any help would be greatly appreciated!
Oh yeah and the purpose for this new superflat dimension is to host events in the server i'm running by importing a hunger games map using worldedit into it (another problem i'll hafta solve but i'm sure i can do it ^^)

[hasty comet]

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[fading fossil]

Good place to start
https://www.planetminecraft.com/blog/custom-world-generation-documentation/

If you want more help you'll need to provide more information about what you currently have. What's your folder structure, which files do you have and where are they

[mellow crane]

oh i create one a while ago, if your datapack did not show up, it might have to do something with pack.mcmeta file

[plain shadow]

Ooo thats the first time I saw this guide, i'll try and read through it and hopefully get to work

[plain shadow]

Ahh i see, i'll also try and mess around with that and see if anything changes, thanks ^^

[fading fossil]

That's literally one of half a dozen things it could be, there's absolutely not enough information here to determine that

[mellow crane]

yeah I know there's not enough information, I even got confuse too. But well, I'm just guessing, like if the /datapack list doesn't appear, this is usually the case that I met, otherwise, the pack doesn't functioning correctly. So, just a guess that would be a case, but yeah, one among a dozen things.

[fading fossil]

Yes I know you're just guessing, that's what I'm pointing out

Please don't just guess. If you don't know, ask questions to help get more information, or don't muddy the conversation with guesses

It's okay to not have the answer, but then you need to investigate to help the user find the answer

Not just blindly suggest one of half a dozen things it might be

[mellow crane]

sorry