easy_social-8.x-3.x-dev/contrib/easy_social_example/config/schema/easy_social_example.schema.yml

easy_social.example:
  type: config_object
  label: "Settings"
  mapping:
    size:
      type: boolean
      label: "Large size"
    foo:
      type: string
      label: "Foo"
    baz:
      type: boolean
      label: "Baz"