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"]],[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["This page provides documentation for the `PolicyDocumentV4` structure within the Google Cloud Storage C++ library, covering versions from 2.11.0 up to the latest release candidate 2.37.0-rc."],["`PolicyDocumentV4` defines a policy document that enables HTML forms to enforce conditions for uploads, and if these conditions are not met, form submissions will fail."],["The `PolicyDocumentV4` constructor takes parameters such as `bucket`, `object`, `expiration`, `timestamp`, and a vector of `PolicyDocumentCondition` to define the restrictions of the policy."],["The provided documentation explains how to create and use Policy Documents, and it includes a link for general information about these documents in Google Cloud Storage."]]],[]]