# Datapack authoring Start here for datapack formats, file paths and reload behavior. > **since NTM 1.0.4** > > NTM 1.0.4 supports Minecraft 26.2 and 26.3. Read > > [the 1.0.4 changes and 26.3 migration guide](https://movblock.mov/ntm-next/wiki/minecraft-26-3.md) > > . ntm-next uses datapacks for recipes, hazards and radiation, custom machines, in-game manuals, fluid, machine and game settings, world generation, loot, tags and advancements. The version selector chooses the Minecraft release, NTM release, and loader. Start with the [datapack catalog](https://movblock.mov/ntm-next/wiki/catalog.md) for formats and file paths. | You want to… | Start here | | - | - | | Add or override in-game manuals and help triggers | [Manuals (QMAW)](https://movblock.mov/ntm-next/wiki/manuals.md) | | Change an existing recipe | [Datapack Quick Start](https://movblock.mov/ntm-next/wiki/quick-start.md) | | Write inputs, outputs, probabilities, or conditions | [Recipes](https://movblock.mov/ntm-next/wiki/recipes.md) | | Find a machine's recipe format | [Machine Recipes](https://movblock.mov/ntm-next/wiki/recipe-types.md) | | Match container contents or item components | [Ingredients and Components](https://movblock.mov/ntm-next/wiki/ingredients-and-components.md) | | Define a custom multiblock machine and its processes | [Custom Machines](https://movblock.mov/ntm-next/wiki/custom-machines.md) | | Change machine settings or an existing fluid's properties | [Datapack Settings](https://movblock.mov/ntm-next/wiki/settings.md) | | Look up all machine-setting keys or fluid traits | [Machine Settings Reference](https://movblock.mov/ntm-next/wiki/machine-settings.md), [Fluid Trait Reference](https://movblock.mov/ntm-next/wiki/fluid-traits.md) | | Change explosion, mob, meteor, item, energy or radiation settings | [Game Settings](https://movblock.mov/ntm-next/wiki/game-settings.md) | | Set hazards, radiation sources or dimension radiation | [Hazards and Radiation](https://movblock.mov/ntm-next/wiki/hazards-and-radiation.md) | | Change generation, structures, processors or template pools | [World Generation](https://movblock.mov/ntm-next/wiki/world-generation.md) | | Change loot, tags, damage data, songs or advancement criteria | [Loot, Tags and Advancements](https://movblock.mov/ntm-next/wiki/loot-tags-and-advancements.md) | | Find inherited Minecraft datapack entry points | [Vanilla Data](https://movblock.mov/ntm-next/wiki/vanilla-data.md) | > **since NTM 1.0.3** > > Addons have their own chapters and release tracks: [NTM Space](https://movblock.mov/ntm-next/wiki/space.md)[since NTM 1.0.4: and [NTM: Cursed](https://movblock.mov/ntm-next/wiki/cursed.md)]. Select an addon release in the version selector. > **since NTM 1.0.1** > > [Protection registries](https://movblock.mov/ntm-next/wiki/hazards-and-radiation.md) cover radiation resistance, filters, and suits. [Consumable treatments](https://movblock.mov/ntm-next/wiki/consumable-treatments.md) bind item use or consumption to ordered treatment actions. ## Start from the version you actually run Open the version selector beside the theme switch to select Minecraft, the NTM release, and the loader. **All revisions** shows the documented history with since, until, deprecation and removal labels. **Both loaders** shows loader-specific forms side by side. Selecting an exact release or loader shows the content that applies to that choice. Open your installed ntm-next `.jar` with a ZIP viewer and inspect its `data/` directory. This is the reference for that build's identifiers, recipe types, conditions, and default values. Copy a relevant file into your own pack and make a small change. Most examples work identically on both loaders. See [Recipe Conditions](https://movblock.mov/ntm-next/wiki/recipes/conditions.md) for conditional recipes and [Ingredients and Components](https://movblock.mov/ntm-next/wiki/ingredients-and-components.md) for custom ingredient forms. Datapacks refer to registered items, blocks, fluids and recipe types. Custom-machine definitions are an NTM data-loaded registry that uses the existing controller item. ## What can be reloaded? | Data | Location pattern | When changes take effect | | - | - | - | | Recipes | `data//recipe/.json` | `/reload` | | Item tags | `data//tags/item/.json` | `/reload` | | QMAW manuals | `data//qmaw/.json` | `/reload`; the catalog is sent on join and reload | | Fluid properties | `data//fluid_property/.json` | `/reload`; properties are sent to connected clients | | Fluid property patches (since NTM 1.0.4) | `data//fluid_property_patch//.json` | `/reload`, applied before the patched properties | | Custom-machine definitions | `data//hbm/custom_machine/.json` | World load: reopen singleplayer or restart the server | | Machine settings | `data/hbm/hbm/machine_config/.json` | World load: reopen singleplayer or restart the server | | Game settings | `data/hbm/hbm//.json` | World load: reopen singleplayer or restart the server | | Hazards, radiation and treatment registries | `data//hbm//.json` | World load; see the catalog for each ID's meaning | | Worldgen registry definitions, damage types, songs | Vanilla registry directories | World load | | Structure templates | `data//structure/.nbt` | Resource-manager reload clears the template cache | | Loot, advancements, functions, predicates, item modifiers | Corresponding vanilla directories | `/reload` | The extra `hbm/` in NTM's custom-registry paths names the registry's namespace. Reopen the world for changes to these registries. Template-resource reload is separate from the worldgen registry entries which reference the templates. Translated names under `assets//lang/` belong in a resource pack. ## Example packs Each ZIP contains one datapack. Put one ZIP in the world's `datapacks/` directory and enable it. | Pack | Change | | - | - | | [Apple yield](https://movblock.mov/ntm-next/wiki/assets/downloads/apple-yield.zip) | One apple produces two sugar in the shredder. | | [Custom paper press](https://movblock.mov/ntm-next/wiki/assets/downloads/custom-paper-press.zip) | Adds a separate paper press definition, recipe and controller. | | [Centrifuge time](https://movblock.mov/ntm-next/wiki/assets/downloads/centrifuge-time.zip) | Sets centrifuge processing time to 100 ticks. | | [Diesel colour](https://movblock.mov/ntm-next/wiki/assets/downloads/diesel-colour.zip) | Changes the diesel fluid colour. | | [Workshop manual](https://movblock.mov/ntm-next/wiki/assets/downloads/qmaw-workshop.zip) | Adds a server-owned manual page triggered by paper. | > **since NTM 1.0.1** > > [Alex's Caves](https://movblock.mov/ntm-next/wiki/alexs-caves.md) has three packs for use with Alex's Caves.