This extension contributes the following settings:
composite-formatter.formatters: string[] An array of formatter ids, like [\"ms-python.python\"].
composite-formatter.language: stringLanguage id, like typescript, python, *.
composite-formatter.scheme: string Uri scheme, like file, untitled.
composite-formatter.pattern: string A glob pattern that is matched on the absolute path of the document. Use a relative pattern to filter documents to a workspace folder, like **/*.{ts,js} or *.{ts,js}.
Notes
It is not possible for a single extension to provide more than one Composite Formatter for the same language. This is a VSCode specification.