# server.Server.showEnvironment

- **Module:** server.Server
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ts/blob/3fe1ca654b81b8cbf4a13b777a001a3298c87a6f/packages/libtmux/src/server.ts#L754
- **Page:** https://libtmux.org/en/ts/latest/reference/server-server-showenvironment/

```
server.Server.showEnvironment() -> Promise<ReadonlyMap<string, EnvironmentValue>>
```

Every variable in the server's global environment.

A `null` value is tmux's `-NAME`: present, and marked for removal from any
process tmux starts.

## Example

```ts
const environment = await server.showEnvironment();
environment.get("EDITOR");
```