# tmux.Plan.UnsetEnvironment

- **Module:** tmux.Plan
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/plan_session.go#L138
- **Page:** https://libtmux.org/reference/go/tmux-plan-unsetenvironment/

```
tmux.Plan.UnsetEnvironment(target: Ref, name: string)
```

UnsetEnvironment records a variable removed from the session target names, or from the server when target is the zero [Ref].