# io.github.libtmux.TmuxEnvironment.TmuxEnvironment.of

- **Module:** io.github.libtmux.TmuxEnvironment.TmuxEnvironment
- **Package:** io.github.libtmux:libtmux
- **Language:** Java
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-java/blob/c3517519ee799428a809ce6deb1708c8be289cd1/libtmux/src/main/java/io/github/libtmux/TmuxEnvironment.java#L63
- **Page:** https://libtmux.org/reference/java/io-github-libtmux-tmuxenvironment-tmuxenvironment-of/

```
io.github.libtmux.TmuxEnvironment.TmuxEnvironment.of(environment: Map<String, String>) -> Optional<TmuxEnvironment>
```

Reads a set of environment variables.

## Parameters

- `environment` (Map<String, String>) — the variables to read, typically {@code System.getenv()}

## Returns

what tmux said, or empty when {@code TMUX} is absent or unreadable