country_code

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/country_code",
  "title": "country_code",
  "type": "string",
  "description": "The [two-character ISO 3166-1 code](/docs/integration/direct/rest/country-codes/) that identifies the country or region.<blockquote><strong>Note:</strong> The country code for Great Britain is <code>GB</code> and not <code>UK</code> as used in the top-level domain names for that country. Use the `C2` country code for China worldwide for comparable uncontrolled price (CUP) method, bank card, and cross-border transactions.</blockquote>",
  "format": "ppaas_common_country_code_v2",
  "maxLength": 2,
  "minLength": 2,
  "pattern": "^([A-Z]{2}|C2)$"
}