If successful, the return object contains the displayLanguage that was saved for the user, which may differ from the value passed into the request. This is because the requested displayLanguage may not be directly supported by Gmail but have a close variant that is, and so the variant may be chosen and saved instead.
HTTP request
PUT https://gmail.googleapis.com/gmail/v1/users/{userId}/settings/language
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-04 UTC."],[[["Updates the language settings for a Gmail user, potentially using a close variant if the requested language isn't directly supported."],["Requires a PUT request to a specific endpoint with the user's email address as a path parameter."],["The request body and successful response body both utilize the LanguageSettings object."],["Needs authorization with the `https://www.googleapis.com/auth/gmail.settings.basic` scope."]]],[]]
