public TestingOptions.Types.TestingChallenge TestingChallenge { get; set; }
For challenge-based keys only (CHECKBOX, INVISIBLE), all challenge requests
for this site will return nocaptcha if NOCAPTCHA, or an unsolvable
challenge if CHALLENGE.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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."],[[["\u003cp\u003eThis webpage provides reference documentation for the \u003ccode\u003eTestingOptions\u003c/code\u003e class within the Google Cloud reCAPTCHA Enterprise v1 API, specifically for the .NET environment.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eTestingOptions\u003c/code\u003e class is designed for user acceptance testing and allows for setting specific testing parameters, which also implements several interfaces.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available for the \u003ccode\u003eTestingOptions\u003c/code\u003e class is 2.17.0, but this page covers several previous versions all the way down to version 1.2.0.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of \u003ccode\u003eTestingOptions\u003c/code\u003e include \u003ccode\u003eTestingChallenge\u003c/code\u003e, which controls the type of challenge presented, and \u003ccode\u003eTestingScore\u003c/code\u003e, which sets the score returned for assessments.\u003c/p\u003e\n"],["\u003cp\u003eThis documentation also provides links for each versions which will direct you to specific documentation for each mentioned version, including inherited members, namespace, assembly, constructors, and properties.\u003c/p\u003e\n"]]],[],null,[]]
