# tmux_window:rename/2

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_window.erl#L63
- **Page:** https://libtmux.org/en/erlang/latest/reference/tmux_window-rename-2/

```
rename(Window, Name)
-spec rename(tmux_model:window(), binary()) ->
                {ok, map()} | {error, map()}.
```

Rename the registered physical window with a literal name. Performs I/O and returns the command result. Captured rows and snapshots remain unchanged.

## Parameters

- `Window` (`tmux_model:window()`)
- `Name` (`binary()`)

## tmux command

The tmux commands behind `rename/2`.

- [`rename-window`](/en/tmux/latest/manual/rename-window/)

## tmux C API

The C declarations in tmux that implement these commands.

- [`cmd_rename_window_entry`](/en/tmux/latest/reference/c-variable-cmd_rename_window_entry/) (attribute)
- [`cmd_rename_window_exec`](/en/tmux/latest/reference/c-function-cmd-rename-window-c-cmd_rename_window_exec/) (function)

## In other ports

Rename a window

| Language | Equivalent |
| --- | --- |
| Python | [`libtmux.Window.rename_window`](/en/py/latest/reference/libtmux-window-rename_window/) (method) |
| Ruby | [`LibTmux::Window#rename`](/en/ruby/latest/reference/libtmux-window-rename/) (method) |
| Lua | [`libtmux.Window:rename`](/en/lua/latest/reference/libtmux-window-rename/) (method) |
| Haskell | No public Haskell equivalent is implemented; the current modules expose scalar values and version parsing. |
| TypeScript | [`window.Window.rename`](/en/ts/latest/reference/window-window-rename/) (method) |
| Rust | [`window.Window.rename`](/en/rs/latest/reference/window-window-rename/) (method) |
| Go | [`tmux.Window.Rename`](/en/go/latest/reference/tmux-window-rename/) (method) |
| Java | [`io.github.libtmux.Window.rename`](/en/java/latest/reference/io-github-libtmux-window-window-rename/) (method) |
| C# | [`LibTmux.Window.RenameAsync`](/en/csharp/latest/reference/libtmux-window-renameasync/) (method) |
| C++ | [`libtmux::Window::rename`](/en/cxx/latest/reference/libtmux-window-rename/) (method) |
| Swift | [`Server.rename(_:to:)`](/en/swift/latest/reference/server-rename(_-to-)/) (method) |
| OCaml | [`Libtmux_unix.Client.rename_window`](/en/ocaml/latest/reference/libtmux_unix-client-rename_window/) (function) |
| Perl | [`LibTmux::Server::rename_window`](/en/perl/latest/reference/libtmux-server-rename_window/) (method). Explicit Server operation. Captured entities remain local observations; use a new snapshot to observe changes. |

No equivalent is recorded in PowerShell, Julia, Elixir, Common Lisp, Clojure, Kotlin, Scala or F#.