# libtmux.Session.selection_start_y

- **Module:** libtmux.Session
- **Package:** libtmux
- **Language:** Python
- **Kind:** attribute
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/neo.py#L804
- **Page:** https://libtmux.org/reference/py/libtmux-session-selection_start_y/