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Spawn Window

docs/config/lua/wezterm.mux/spawn_window.md

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wezterm.mux.spawn_window{}

{{since('20220624-141144-bd1b7c5d')}}

Spawns a program into a new window, returning the MuxTab, Pane and MuxWindow objects associated with it:

lua
local tab, pane, window = wezterm.mux.spawn_window {}

When no arguments are passed, the default program is spawned.

The following parameters are supported:

args

Specifies the argument array for the command that should be spawned. If omitted the default program for the domain will be spawned.

lua
wezterm.mux.spawn_window { args = { 'top' } }

cwd

Specify the current working directory that should be used for the program.

If unspecified, follows the rules from default_cwd

lua
wezterm.mux.spawn_window { cwd = '/tmp' }

set_environment_variables

Sets additional environment variables in the environment for this command invocation.

lua
wezterm.mux.spawn_window { set_environment_variables = { FOO = 'BAR' } }

domain

Specifies the multiplexer domain into which the program should be spawned. The default value is assumed to be "DefaultDomain", which causes the default domain to be used.

You may specify the name of one of the multiplexer domains defined in your configuration using the following:

lua
wezterm.mux.spawn_window { domain = { DomainName = 'my.name' } }

width and height

Only valid when width and height are used together, allows specifying the number of column and row cells that the window should have.

lua
wezterm.mux.spawn_window { width = 60, height = 30 }

workspace

Specifies the name of the workspace that the newly created window will be associated with. If omitted, the currently active workspace name will be used.

lua
wezterm.mux.spawn_window { workspace = { 'coding' } }

position

{{since('20230320-124340-559cb7b0')}}

Specify the initial position for the GUI window that will be created to display this mux window.

The value is a lua table:

wezterm.mux.spawn_window {
  position = {
    x = 10,
    y = 300,
    -- Optional origin to use for x and y.
    -- Possible values:
    -- * "ScreenCoordinateSystem" (this is the default)
    -- * "MainScreen" (the primary or main screen)
    -- * "ActiveScreen" (whichever screen hosts the active/focused window)
    -- * {Named="HDMI-1"} - uses a screen by name. See wezterm.gui.screens()
    -- origin = "ScreenCoordinateSystem"
  },
}

See also wezterm.gui.screens()