# tmux_server:version/1

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_server.erl#L290
- **Page:** https://libtmux.org/en/erlang/latest/reference/tmux_server-version-1/

```
version(Server)
-spec version(t()) ->
                 {ok, tmux_version:t()} | {error, map()}.
```

Return the daemon version observed when the endpoint opened. This reads owner state and does not execute a fresh version command or qualify another tmux release.

## Parameters

- `Server` (`t()`)

## In other ports

Which tmux this server runs

| Language | Equivalent |
| --- | --- |
| Python | no equivalent on `Server` |
| Haskell | No public Haskell equivalent is implemented; the current modules expose scalar values and version parsing. |
| TypeScript | [`server.Server.version`](/en/ts/latest/reference/server-server-version/) (method) |
| Rust | no equivalent on `Server` |
| Go | [`tmux.Server.Version`](/en/go/latest/reference/tmux-server-version/) (method) |
| Java | [`io.github.libtmux.Server.version`](/en/java/latest/reference/io-github-libtmux-server-server-version/) (method) |
| C# | [`LibTmux.Server.Version`](/en/csharp/latest/reference/libtmux-server-version/) (property) |
| C++ | `Server::tmux_version` asks the executable with `tmux -V` without reaching a server |
| Swift | [`Server.version()`](/en/swift/latest/reference/server-version()/) (method) |
| OCaml | [`Libtmux_unix.Client.version`](/en/ocaml/latest/reference/libtmux_unix-client-version/) (function) |
| Perl | Read the acquired snapshot metadata version; the core has no standalone live version getter. |

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