Custom Roleplay Data Data pack for Minecraft 1.21.1, 1.21
A datapack that easily allows you to change the CustomModelData of items.
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- 25 views
- Updated
- Updated 12.10.2025
- 1.20.3 — 1.21.10
Data pack- Client and server
About the Custom Roleplay Data data pack
A datapack that allows you to easily change the CustomModelData of items to change the look of items using resource packs.
To change the model data of an item stack in the player's mainhand:
/trigger CustomModelData set
You can change the XP required cost of this action by doing:
/function custom_roleplay_data:admin
to access the admin menu or by using the command:
/scoreboard players set #min_level crd_xp_dummy
Please note that this datapack will require a custom resource pack to function properly!
How to install Custom Roleplay Data
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the data pack for Minecraft 1.20.3–1.21.10 automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Download the archive
Pick the file custom_roleplay_data_v1.6.zip (26 KB) for your game version.
New world: “Data Packs”
When creating a world, click “Data Packs”, drag the archive into the window, then move it to “Selected”.
Existing world: the datapacks folder
Put the archive into saves/<world>/datapacks and type /reload in game.
On a server
Archive goes into the server world’s datapacks
The world/datapacks folder on the server; players do not need to install anything.
Reload the data
Type /reload in the server console or restart the server.
Use the “To server” button
On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21 | Data pack | 1.2125.5 KB |
FAQ
Which Minecraft versions does Custom Roleplay Data work on?
There are files for 1.20.3–1.21.10, 15 versions in total. The newest is 1.21.10.
Does Custom Roleplay Data work on a server?
Yes: the data pack goes into the datapacks folder of the server world, and players do not need to install anything.
Where can I download Custom Roleplay Data safely?
On this page: the file custom_roleplay_data_v1.6.zip (26 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: c23d689a38ed7fc89be838acbdbf148453195817.
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