Policy documents allow HTML forms to restrict uploads based on certain conditions. If the policy document is expired or the conditions are not satisfied, submitting the form will not succeed.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-04-02 UTC."],[[["The webpage provides access to documentation for various versions of `PolicyDocumentV4`, ranging from version 2.11.0 up to the latest release candidate 2.37.0-rc."],["`PolicyDocumentV4` is used to define policies that control object uploads via HTML forms, setting conditions for successful submission."],["A policy document will restrict uploads, failing the form submission if the document is expired or conditions are not met."],["The parameters needed to construct a `PolicyDocumentV4` are the bucket, object, expiration, timestamp, and conditions."],["The Google Cloud Storage XML API documentation has more information on the general concept of policy documents."]]],[]]