# server.Server.setEnvironment

- **Module:** server.Server
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ts/blob/3fe1ca654b81b8cbf4a13b777a001a3298c87a6f/packages/libtmux/src/server.ts#L776
- **Page:** https://libtmux.org/en/ts/latest/reference/server-server-setenvironment/

```
server.Server.setEnvironment(name: : string, value: : string, options: : SetEnvironmentOptions) -> Promise<void>
```

Set a variable in the server's global environment.

## Example

```ts
await server.setEnvironment("EDITOR", "vim");
```