# libtmux::CaptureOptions::start_line

- **Module:** libtmux::CaptureOptions
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/entities.hpp#L138
- **Page:** https://libtmux.org/reference/cxx/libtmux-captureoptions-start_line/

Where to start, counting back into the scrollback.

Absent starts at the top of the visible pane.