Use the requestLanguage to have column names translated in a specific language.
property RequestLanguage: String;
Use the requestLanguage to have column names translated in a specific language. By default, column names are translated based on the requesting user's language preference, or the Jira site default language if anonymous. The languages available are based on the installed languages in Jira. Provide an IETF BCP 47 language tag as described in this link: https://tools.ietf.org/html/bcp47 .