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 2025-04-22 UTC."],[[["This page provides documentation for `PolicyDocumentV4`, a C++ class used in Google Cloud Storage to define policies for HTML form uploads, allowing for conditional restrictions."],["The most recent version of `PolicyDocumentV4` is version `2.37.0-rc`, but the page also contains links to the reference for several previous versions, down to `2.11.0`."],["A `PolicyDocumentV4` object has several constructors, and accepts parameters such as bucket, object, expiration, timestamp, and conditions to specify upload restrictions."],["Policy documents set limitations on uploads, such that form submissions will fail if the document has expired or if the conditions set are not met, with details available via a link to the Google Cloud Storage documentation."]]],[]]
