These strings then contain a maximum of 3 single characters next to each other, each character standing for one spot in the crafting grid. It contains a maximum of 3 strings, each string standing for one row in the crafting grid. pattern is a list used to specify the shape of the crafting recipe. This is a rough example of a shaped crafting recipe, as specified by the crafting_shaped type. This lets Minecraft identify your data pack. The first thing to do after you are in the folder is to create a pack.mcmeta file. Once you are in the datapacks folder, create a folder with a name of your choice. On a server, you can navigate to its root directory (where server.properties is located), then enter the world directory.In singleplayer, you can select your world, click on 'Edit', then 'Open world folder'.To find the world folder, locate the saves folder inside your game directory, which is. To create a data pack, start off by navigating to the datapacks folder inside the world folder. Release the decompiled source code of Minecraft in any way.Release Minecraft versions or modifications that allow players to play without having bought Minecraft from Mojang.There are some things that you should not do while creating a data pack. Data packs can be used to add or modify functions, loot tables, world structures, advancements, recipes, tags, dimensions, predicates and world generation.