[null,null,["Last updated 2025-08-27 UTC."],[],["A `RequestHeader` is required in all Ride Engine RPC requests. It includes six fields: `languageCode` (BCP-47 format), `regionCode` (CLDR), `sdkVersion`, `osVersion`, `sdkType` (enum), and `platform` (enum). These fields provide information about the request's origin, including language, region, SDK, operating system version and the type and platform of the SDK. This data will be included into a json format.\n"]]