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 2025-08-14 UTC."],[[["\u003cp\u003eThe latest version of the \u003ccode\u003ePolicyDocumentV4\u003c/code\u003e is 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003ePolicyDocumentV4\u003c/code\u003e allows HTML forms to restrict uploads based on specified conditions, which, if unsatisfied, will result in form submission failure.\u003c/p\u003e\n"],["\u003cp\u003eThis feature can be used to define policy documents that may have an expiration, and if expired, submitting the form will fail.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePolicyDocumentV4\u003c/code\u003e can be initialized using parameters such as \u003ccode\u003ebucket\u003c/code\u003e, \u003ccode\u003eobject\u003c/code\u003e, \u003ccode\u003eexpiration\u003c/code\u003e, \u003ccode\u003etimestamp\u003c/code\u003e, and a vector of \u003ccode\u003ePolicyDocumentCondition\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eVersions from 2.11.0 to 2.36.0 of the \u003ccode\u003ePolicyDocumentV4\u003c/code\u003e are also available and listed.\u003c/p\u003e\n"]]],[],null,[]]