Sets the preferred language for email notifications sent to the authenticated account. Supported languages include English (en), Korean (ko), Chinese (zh), Japanese (ja), and Russian (ru).
All future email notifications will be sent in the selected language. This setting does not affect the language of the web interface or API responses.
Scope: account:read_write
The abbreviated language name. Valid values include "en", "ko", "zh", "ja", "ru"
"en"