# libtmux.options.OptionsMixin.__init__

- **Module:** libtmux.options
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/38e368c11117fb4aeb2f082d552cd4f210eae06a/src/libtmux/options.py#L588
- **Page:** https://libtmux.org/en/py/stable/reference/libtmux-options-optionsmixin-__init__/

tmux catalog: [Options](/en/tmux/latest/catalog/options/)

```
libtmux.options.OptionsMixin.__init__(
    self, default_option_scope: OptionScope | None = None
) -> None
```

When not a user (custom) option, scope can be implied.

## Parameters

- `default_option_scope` (`OptionScope | None`)