/reload
Reloads server-side data (datapacks, functions, loot tables, advancements, recipes, tags) without restarting the world. The fast iteration loop when developing a datapack — edit files, run /reload, test. Syntax errors are reported in the server log/chat.
What is /reload used for?
What /reload is for
Reloads datapacks, functions, loot tables, advancements, recipes, and tags without restarting the world.
When to use /reload
The fast iteration loop when building a datapack — edit the files, run /reload, test. Syntax errors are reported in chat or the server log.
Syntax
Command builder
/reload takes no arguments — copy and run it as-is.
Examples
Reload all datapacks and re-run their load functions.
Permission level
/reload requires Cheats (op level 2). In single-player you need the world's "Allow Cheats" toggle on. On a multiplayer server you need to be opped — see /op.