Commands/publish

Opens singleplayer world to the local network.

Syntax[]

publish [<allowCommands>] [<gamemode>] [<port>]

Arguments[]

<allowCommands>: bool

Whether commands will be allowed when the world is hosted on the local network. Defaults to false.

Must be a boolean (either true or false).

<gamemode>: gamemode

Sets the default game mode for new player. If not specified, the default game mode for new player is the game mode of this world.

Must be one of the following:

• survival for Survival mode
• creative for Creative mode
• adventure for Adventure mode
• spectator for Spectator mode

Note that "hardcore" is not a valid option, as it is technically not a game mode.

<port>: integer

The port to host on. If not specified, the port is automatically allocated, typically from an ephemeral port range.

Must be a 32-bit integer number. And it must be between 0 and 65535 (inclusive).

Result[]

Command	Trigger	Java Edition
any	the arguments are not specified correctly	Unparseable
	the world is already published to LAN	Failed
	the specified port could not be bound (e.g. a reserved port, or already in use by another application).
	Otherwise	Successful

Output[]

Command	Edition	Situation	Success Count	/execute store success ...	/execute store result ...
any	Java Edition	On fail	N/A	0	0
		On success	N/A	1	the port allocated for this LAN world.

History[]

Java Edition
1.3.1		12w24a			Added /publish.
1.13		17w45a			/publish now accepts an optional port argument.
					/publish can now be run from command blocks.
		18w01a			/publish can no longer be run from command blocks.
1.19.3		22w45a			The syntax of /publish has been changed, and now accepts optional command and gamemode arguments.