> For the complete documentation index, see [llms.txt](https://api.pyblish.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api.pyblish.com/pyblish.api/plugin/plugin.optional.md).

# .optional

Optional hint.

## Description

This attribute is primarily intended for user interfaces where a user is given a choice about whether or not to trigger a plug-in.