autorestic/docs/pages/backend/options.md

Options

ℹ️ For more detail see the location docs for options, as they are the same.

backend:
  foo:
    type: ...
    path: ...
    options:
      backup:
        tag:
          - foo
          - bar

In this example, whenever autorestic runs restic backup it will append a --tag abc --tag to the native command.