# LibTmux.Pane.capture_option/0

- **Module:** LibTmux
- **Package:** libtmux
- **Language:** Elixir
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-elixir/blob/66b9b1c3f3f3186428abdfda2c76f5cf87446710/lib/libtmux/entities.ex#L258
- **Page:** https://libtmux.org/en/elixir/latest/reference/libtmux-pane-capture_option-0/

```
@type capture_option() ::
        LibTmux.Action.option()
        | {:start_line, -32768..32767}
        | {:end_line, -32768..32767 | :last}
        | {:join_lines, boolean()}
        | {:max_bytes, 0..1_048_576}
```

Bounded one-shot screen capture; line numbers are relative to the visible screen, with negative history offsets.