# LibTmux::Snapshot::window_by_id

- **Module:** LibTmux
- **Package:** LibTmux
- **Language:** Perl
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-perl/blob/352715a4fa66a96eed7763b90daaa536aa2f121d/packages/core/lib/LibTmux/Snapshot.pm#L211
- **Page:** https://libtmux.org/en/perl/latest/reference/libtmux-snapshot-window_by_id/

```
sub window_by_id($self, $id)
```

`window_by_id('@3')` returns one physical [`LibTmux::Window`](/en/perl/latest/reference/libtmux-window/) or undef, independent of session link context.

## Methods

## Parameters

- `id`

## In other ports

Look one window up by target

| Language | Equivalent |
| --- | --- |
| Python | no equivalent on `Server` |
| Ruby | [`LibTmux::Server#window`](/en/ruby/latest/reference/libtmux-server-window/) (method) |
| Erlang | [`tmux_window:get/2`](/en/erlang/latest/reference/tmux_window-get-2/) (function) |
| Haskell | No public Haskell equivalent is implemented; the current modules expose scalar values and version parsing. |
| TypeScript | no equivalent on `Server` |
| Rust | [`server.Server.window_by_id`](/en/rs/latest/reference/server-server-window_by_id/) (method) |
| Go | [`tmux.Server.Window`](/en/go/latest/reference/tmux-server-window/) (method) |
| Java | no equivalent on `Server` |
| C# | [`LibTmux.Server.GetWindowAsync`](/en/csharp/latest/reference/libtmux-server-getwindowasync/) (method) |
| C++ | [`libtmux::Server::window`](/en/cxx/latest/reference/libtmux-server-window/) (method) |
| Swift | no equivalent on `Server` |
| OCaml | [`Libtmux.Snapshot.find_window`](/en/ocaml/latest/reference/libtmux-snapshot-find_window/) (function). Exact opaque-ID lookup in an existing snapshot, without I/O. |

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