# libtmux.Session:unset_environment

- **Module:** libtmux.Session
- **Package:** libtmux
- **Language:** Lua
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-lua/blob/547c9c4228e07ebf846690eb44da2eeeb6fde922/lua/libtmux/_internal/entity.lua#L437
- **Page:** https://libtmux.org/en/lua/latest/reference/libtmux-session-unset_environment/

```
libtmux.Session:unset_environment(name: string, options: libtmux.EnvironmentOptions? = nil) -> libtmux.Request<boolean>
```

## Parameters

- `name` (string)
- `options` (libtmux.EnvironmentOptions?):  What every environment operation accepts; unset and remove take no more.