[[["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 2025-09-04 UTC."],[],[],null,["# Google Cloud Discovery Engine V1 Client - Class CitationSource (1.7.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.7.0 (latest)](/php/docs/reference/cloud-discoveryengine/latest/V1.Answer.CitationSource)\n- [1.6.1](/php/docs/reference/cloud-discoveryengine/1.6.1/V1.Answer.CitationSource)\n- [1.5.1](/php/docs/reference/cloud-discoveryengine/1.5.1/V1.Answer.CitationSource)\n- [1.4.0](/php/docs/reference/cloud-discoveryengine/1.4.0/V1.Answer.CitationSource)\n- [1.3.3](/php/docs/reference/cloud-discoveryengine/1.3.3/V1.Answer.CitationSource)\n- [1.2.0](/php/docs/reference/cloud-discoveryengine/1.2.0/V1.Answer.CitationSource)\n- [1.1.0](/php/docs/reference/cloud-discoveryengine/1.1.0/V1.Answer.CitationSource)\n- [1.0.0](/php/docs/reference/cloud-discoveryengine/1.0.0/V1.Answer.CitationSource)\n- [0.11.3](/php/docs/reference/cloud-discoveryengine/0.11.3/V1.Answer.CitationSource)\n- [0.8.0](/php/docs/reference/cloud-discoveryengine/0.8.0/V1.Answer.CitationSource)\n- [0.7.1](/php/docs/reference/cloud-discoveryengine/0.7.1/V1.Answer.CitationSource)\n- [0.6.0](/php/docs/reference/cloud-discoveryengine/0.6.0/V1.Answer.CitationSource)\n- [0.5.0](/php/docs/reference/cloud-discoveryengine/0.5.0/V1.Answer.CitationSource)\n- [0.4.0](/php/docs/reference/cloud-discoveryengine/0.4.0/V1.Answer.CitationSource)\n- [0.3.0](/php/docs/reference/cloud-discoveryengine/0.3.0/V1.Answer.CitationSource)\n- [0.2.0](/php/docs/reference/cloud-discoveryengine/0.2.0/V1.Answer.CitationSource)\n- [0.1.1](/php/docs/reference/cloud-discoveryengine/0.1.1/V1.Answer.CitationSource) \nReference documentation and code samples for the Google Cloud Discovery Engine V1 Client class CitationSource.\n\nCitation source.\n\nGenerated from protobuf message `google.cloud.discoveryengine.v1.Answer.CitationSource`\n\nNamespace\n---------\n\nGoogle \\\\ Cloud \\\\ DiscoveryEngine \\\\ V1 \\\\ Answer\n\nMethods\n-------\n\n### __construct\n\nConstructor.\n\n### getReferenceId\n\nID of the citation source.\n\n### setReferenceId\n\nID of the citation source."]]
