Returns an IETF language tag of the language preferred in the country, which must be used to fill native fields in Telegram Passport personal details. Returns a 404 error if unknown. Request type for Tdjson#getPreferredCountryLanguage.
A two-letter ISO 3166-1 alpha-2 country code.
Returns an IETF language tag of the language preferred in the country, which must be used to fill native fields in Telegram Passport personal details. Returns a 404 error if unknown. Request type for Tdjson#getPreferredCountryLanguage.