# LibTmux::Configuration::Environment.list

- **Module:** LibTmux::Configuration
- **Package:** LibTmux
- **Language:** Raku
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-raku/blob/0b5dd3d32e20f83a0069874e33eab0eb48f55962/lib/LibTmux/Configuration.rakumod#L358
- **Page:** https://libtmux.org/en/raku/latest/reference/libtmux-configuration-environment-list/

```
method list(Bool :$hidden = False --> List:D)
```

Capture normal entries, or only hidden entries when requested explicitly.

Capture normal entries, or only hidden entries when requested explicitly.

## Parameters

- `$hidden?` (`Bool`)

## tmux command

The tmux commands behind `list`.

- [`show-environment`](/en/tmux/latest/manual/show-environment/)

## tmux C API

The C declarations in tmux that implement these commands.

- [`cmd_show_environment_entry`](/en/tmux/latest/reference/c-variable-cmd_show_environment_entry/) (attribute)
- [`cmd_show_environment_exec`](/en/tmux/latest/reference/c-function-cmd-show-environment-c-cmd_show_environment_exec/) (function)

## In other ports

Read the server's global environment

| Language | Equivalent |
| --- | --- |
| Python | [`libtmux.Server.show_environment`](/en/py/latest/reference/libtmux-server-show_environment/) (method) |
| Ruby | [`LibTmux::Server#environment`](/en/ruby/latest/reference/libtmux-server-environment/) (method) |
| Lua | [`libtmux.Server:list_environment`](/en/lua/latest/reference/libtmux-server-list_environment/) (method) |
| Haskell | No public Haskell equivalent is implemented; the current modules expose scalar values and version parsing. |
| TypeScript | [`server.Server.showEnvironment`](/en/ts/latest/reference/server-server-showenvironment/) (method) |
| Rust | [`server.Server.environment`](/en/rs/latest/reference/server-server-environment/) (method) |
| Go | [`tmux.Server.ShowEnvironment`](/en/go/latest/reference/tmux-server-showenvironment/) (method) |
| Java | no equivalent on `Server` |
| C# | [`LibTmux.Server.Environment`](/en/csharp/latest/reference/libtmux-server-environment/) (property) |
| C++ | no equivalent on `Server` |
| Swift | [`Server.environment(_:)`](/en/swift/latest/reference/server-environment(_-)/) (method) |
| OCaml | [`Libtmux_unix.Client.capture_environment`](/en/ocaml/latest/reference/libtmux_unix-client-capture_environment/) (function). Pass Environment.Global for server values or Environment.Session with a bound session target. Acquisition is explicit. |
| Perl | No dedicated equivalent in the selected Perl surface. Explicit Server::cmd remains available for native tmux commands. |

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

Read a session's environment

| Language | Equivalent |
| --- | --- |
| Python | [`libtmux.Session.show_environment`](/en/py/latest/reference/libtmux-session-show_environment/) (method) |
| Ruby | [`LibTmux::Session#environment`](/en/ruby/latest/reference/libtmux-session-environment/) (method) |
| Lua | [`libtmux.Session:list_environment`](/en/lua/latest/reference/libtmux-session-list_environment/) (method) |
| Haskell | No public Haskell equivalent is implemented; the current modules expose scalar values and version parsing. |
| TypeScript | [`session.Session.showEnvironment`](/en/ts/latest/reference/session-session-showenvironment/) (method) |
| Rust | [`session.Session.environment`](/en/rs/latest/reference/session-session-environment/) (method) |
| Go | [`tmux.Session.ShowEnvironment`](/en/go/latest/reference/tmux-session-showenvironment/) (method) |
| Java | no equivalent on `Session` |
| C# | [`LibTmux.Session.Environment`](/en/csharp/latest/reference/libtmux-session-environment/) (property) |
| C++ | no equivalent on `Session` |
| Swift | [`Server.environment(_:)`](/en/swift/latest/reference/server-environment(_-)/) (method) |
| OCaml | [`Libtmux_unix.Client.capture_environment`](/en/ocaml/latest/reference/libtmux_unix-client-capture_environment/) (function). Pass Environment.Global for server values or Environment.Session with a bound session target. Acquisition is explicit. |
| Perl | No dedicated equivalent in the selected Perl surface. Explicit Server::cmd remains available for native tmux commands. |

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