[[["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 2025-09-09 UTC."],[],[],null,["# Google Cloud Recaptcha Enterprise V1 Client - Class TestingChallenge (2.1.3)\n\nVersion latestkeyboard_arrow_down\n\n- [2.1.3 (latest)](/php/docs/reference/cloud-recaptcha-enterprise/latest/V1.TestingOptions.TestingChallenge)\n- [2.1.2](/php/docs/reference/cloud-recaptcha-enterprise/2.1.2/V1.TestingOptions.TestingChallenge)\n- [2.0.1](/php/docs/reference/cloud-recaptcha-enterprise/2.0.1/V1.TestingOptions.TestingChallenge)\n- [1.17.2](/php/docs/reference/cloud-recaptcha-enterprise/1.17.2/V1.TestingOptions.TestingChallenge)\n- [1.16.1](/php/docs/reference/cloud-recaptcha-enterprise/1.16.1/V1.TestingOptions.TestingChallenge)\n- [1.15.0](/php/docs/reference/cloud-recaptcha-enterprise/1.15.0/V1.TestingOptions.TestingChallenge)\n- [1.14.0](/php/docs/reference/cloud-recaptcha-enterprise/1.14.0/V1.TestingOptions.TestingChallenge)\n- [1.13.0](/php/docs/reference/cloud-recaptcha-enterprise/1.13.0/V1.TestingOptions.TestingChallenge)\n- [1.12.2](/php/docs/reference/cloud-recaptcha-enterprise/1.12.2/V1.TestingOptions.TestingChallenge)\n- [1.8.0](/php/docs/reference/cloud-recaptcha-enterprise/1.8.0/V1.TestingOptions.TestingChallenge)\n- [1.7.0](/php/docs/reference/cloud-recaptcha-enterprise/1.7.0/V1.TestingOptions.TestingChallenge)\n- [1.6.0](/php/docs/reference/cloud-recaptcha-enterprise/1.6.0/V1.TestingOptions.TestingChallenge)\n- [1.5.2](/php/docs/reference/cloud-recaptcha-enterprise/1.5.2/V1.TestingOptions.TestingChallenge)\n- [1.4.2](/php/docs/reference/cloud-recaptcha-enterprise/1.4.2/V1.TestingOptions.TestingChallenge)\n- [1.3.2](/php/docs/reference/cloud-recaptcha-enterprise/1.3.2/V1.TestingOptions.TestingChallenge)\n- [1.2.6](/php/docs/reference/cloud-recaptcha-enterprise/1.2.6/V1.TestingOptions.TestingChallenge) \nReference documentation and code samples for the Google Cloud Recaptcha Enterprise V1 Client class TestingChallenge.\n\nEnum that represents the challenge option for challenge-based (CHECKBOX,\nINVISIBLE) testing keys.\n\nProtobuf type `google.cloud.recaptchaenterprise.v1.TestingOptions.TestingChallenge`\n\nNamespace\n---------\n\nGoogle \\\\ Cloud \\\\ RecaptchaEnterprise \\\\ V1 \\\\ TestingOptions\n\nMethods\n-------\n\n### static::name\n\n### static::value\n\nConstants\n---------\n\n### TESTING_CHALLENGE_UNSPECIFIED\n\n Value: 0\n\nPerform the normal risk analysis and return either nocaptcha or a\nchallenge depending on risk and trust factors.\n\nGenerated from protobuf enum `TESTING_CHALLENGE_UNSPECIFIED = 0;`\n\n### NOCAPTCHA\n\n Value: 1\n\nChallenge requests for this key always return a nocaptcha, which\ndoes not require a solution.\n\nGenerated from protobuf enum `NOCAPTCHA = 1;`\n\n### UNSOLVABLE_CHALLENGE\n\n Value: 2\n\nChallenge requests for this key always return an unsolvable\nchallenge.\n\nGenerated from protobuf enum `UNSOLVABLE_CHALLENGE = 2;`"]]