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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 webpage provides documentation for the `PolicyDocumentV4` structure within the Google Cloud Storage C++ client library, spanning versions from 2.11.0 to the latest release candidate 2.37.0-rc."],["`PolicyDocumentV4` enables the creation of policy documents that control the restrictions of HTML form uploads, ensuring that uploads only proceed if specified conditions and validity periods are met."],["The policy document includes parameters such as `bucket`, `object`, `expiration`, `timestamp`, and a vector of `PolicyDocumentCondition` objects, which dictate the upload rules."],["There is also a link provided to the official Google Cloud Storage documentation for more general information on how to utilize policy documents."],["There are two constructors available for the `PolicyDocumentV4` structure, one default and one that takes parameters allowing for specification of different rules."]]],[]]
