> 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.requires.md).

# .requires

Specify plug-in dependencies.

## Description

This attribute is used during the discovery of plug-ins to determine whether they are compatible with the given environment. For example, a plug-in may specify a value of `pyblish>=1.1` meaning it will only work with Pyblish 1.1 and above.

For syntax reference, see [iscompatible](https://github.com/mottosso/iscompatible).