PARTIAL SAVE: writes ONLY the 'CloudCode' field of TitlePublicConfigurationModel; all other v1/v2 fields stay untouched. Server-side scripting (CloudCode): the active JavaScript revision the title runs, plus execution policy — engine limits, rate limits, per-handler metadata, whether logs/stack traces are revealed to clients. Scripts are the ONLY way to write protected player data (UserCustomData ReadOnly/Internal buckets) and mutable title data (TitleCustomData Runtime scope). Prefer the dedicated cloud-code tools over editing this section by hand: they compute the code hash, bump the revision number and archive the previous one.