# libtmux._internal.constants.Options.extended_keys_format

- **Module:** libtmux._internal.constants.Options
- **Package:** libtmux
- **Language:** Python
- **Kind:** attribute
- **Source:** https://github.com/tmux-python/libtmux/blob/9fdd083a8181a827889337b63cd4e6daea661a8c/src/libtmux/_internal/constants.py#L107
- **Page:** https://libtmux.org/en/py/latest/reference/libtmux-_internal-constants-options-extended_keys_format/