Command storage format

The command_storage_<namespace>.dat files are GZip'd NBT files located in the data folder in a savegame. They store information about the /data command storage in the world. Each namespace in the storage has its own data file.

Folder Structure

(world save directory) data command_storage_<namespace>.dat

Multiple command_storage_<namespace>.dat files may be present in the data directory.

NBT structure

• The root tag.
  •  DataVersion: The data version in which this file is saved.
  •  data: The actual saved data.
    •  contents: Contains all the data storage under the namespace of the command storage.
      •  <name>: The data associated with a particular id <namespace>:<name>.
        • Custom content as set by the /data or /execute store commands.

Muitiple compound tags of different names may exist under  contents tag.

History

Java Edition
1.15		19w38a			Added command storage data for the level.