# libtmux:outcome-value

- **Package:** libtmux
- **Language:** Common Lisp
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-lisp/blob/c2e5fc4ed3befda21f45dfa5d5868c38fd138311/src/transport.lisp#L58
- **Public owner:** libtmux
- **Page:** https://libtmux.org/en/lisp/latest/reference/libtmux-outcome-value/

```
(outcome-value outcome)
```

Return the resulting value and presence as two values, without I/O.
Copy data containers and strings; captured entity observations may be shared.

## Parameters

- `outcome`

## Guides

Pages that discuss `outcome-value`.

- [Explicit operations](/en/lisp/latest/guides/operations/)