Sets the language for this user. By default, the user's language is detected automatically from the device. If you call this method, Braze will ignore the detected language and use the language you have provided instead.
An ISO 639-1 Language Code. Accepts an explicit null value to null out attribute.
Resolves to a boolean that indicates whether the update was successfully enqueued. Resolves to undefined if the SDK is not initialized.
Sets the language for this user. By default, the user's language is detected automatically from the device. If you call this method, Braze will ignore the detected language and use the language you have provided instead.