# libtmux:active-p

- **Package:** libtmux
- **Language:** Common Lisp
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-lisp/blob/c2e5fc4ed3befda21f45dfa5d5868c38fd138311/src/model.lisp#L176
- **Public owner:** libtmux
- **Page:** https://libtmux.org/en/lisp/latest/reference/libtmux-active-p/

```
(active-p entity)

Primary method: libtmux:pane:
(active-p (entity libtmux:pane))

Primary method: libtmux:window-link:
(active-p (entity libtmux:window-link))
```

Return captured active state and presence, without I/O. False is NIL,T.

## Methods

### `(active-p (entity libtmux:pane))`

### `(active-p (entity libtmux:window-link))`

## Parameters

- `entity` (for `active-p(entity)`)
- `entity` (`libtmux:pane`) (for `Primary method: libtmux:pane`)
- `entity` (`libtmux:window-link`) (for `Primary method: libtmux:window-link`)

## Guides

Pages that discuss `active-p`.

- [Captures and identity](/en/lisp/latest/concepts/captures/)