/publish

/publish

Permission level required	4
Restrictions	No dedicated server

{
    "title": "<code>/publish</code>",
    "rows": [
        {
            "field": "4",
            "label": "(link to Permission level article, displayed as Permission level<br>required)"
        },
        {
            "field": "No dedicated server<br>",
            "label": "(link to Commands#Restrictions article, displayed as Restrictions)"
        }
    ],
    "invimages": [],
    "images": []
}

Opens singleplayer world to the local network.

Syntax

publish [<allowCommands>] [<port>]

Arguments

<allowCommands>: bool

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

Must be a [Boolean]Boolean (either true or false).

<port>: integer

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

Must be a [Int]32-bit integer number (from -2147483648 (-2³¹) to 2147483647 (2³¹-1) ). And it must be between 0 and 65535 (inclusive).

Result

Command	Trigger	Java Edition
Any	The command is incomplete, or any argument is 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.
26.2			snap8				The syntax of /publish has been changed again, and now accepts optional online argument.
			pre1				The above change has been reverted.
26.3			snap6				The gamemode argument has been removed.