除了用户在对话中提供的信息之外，代理通常几乎无法了解他们交流的用户。但是，代理可以使用 OAuth 对用户进行身份验证，从而确认用户身份、对对话进行个性化处理以及代表用户执行操作。
在此对话流程中，用户选择向自己的帐号添加赠金，并且代理会提示用户登录以验证用户身份，获取关于用户的已知信息并下达赠金订单。
- 用户发起与代理的对话。
用户开始输入回复后，会向代理发送输入事件。
{ "agent": "brands/1111/agents/2222", "conversationId": "3333", "customAgentId": "oauth", "requestId": "1234567890", "userStatus": { "isTyping": "true", "createTime": "2020-10-02T15:01:23.045123456Z", }, "sendTime": "2020-10-02T15:01:24.045123456Z", }用户发送“嗨，我想向我的帐号中添加 5 个积分”消息。
{ "agent": "brands/1111/agents/2222", "conversationId": "3333", "customAgentId": "oauth", "requestId": "123123123", "message": { "messageId": "4444", "name": "conversations/12345/messages/67890", "text": "Hi, I'd like to add 5 credits to my account", "createTime": "2020-10-02T15:05:23.045123456Z", }, "context": { "entryPoint": "PLACESHEET", "userInfo": { "displayName": "Michael", "userDeviceLocale": "en", }, "resolvedLocale": "en", } "sendTime": "2020-10-02T15:05:24.045123456Z", }客服人员发送“我可以帮你这样做。请登录您的帐号以继续，并收到 Authentication 请求建议。
clientId和scopes由 OAuth 提供程序定义。代理根据 OAuth 提供方的要求生成codeChallenge值。curl -X POST "https://businessmessages.googleapis.com/v1/conversations/3333/messages" \ -H "Content-Type: application/json" \ -H "`oauth2l header --json path/to/service/account/key.json businessmessages`" \ -d "{ 'messageId': '5555', 'text': 'I can help you with that. Sign into your account to continue.', 'suggestions': [ { 'AuthenticationRequest': { 'clientId': 'oauth_client_id_1234567890', 'codeChallenge': 'code_challenge', 'scopes': [ 'account', 'billing', ], }, }, ], 'representative': { 'avatarImage': 'https://oauth.agent/bot-avatar.jpg', 'displayName': 'OAuth Agent', 'representativeType': 'BOT' } }"用户收到消息，点按身份验证请求建议，然后登录其帐号。
代理会在
authenticationResponse.code字段中收到包含 OAuth 授权代码的消息。{ "agent": "brands/1111/agents/2222", "conversationId": "3333", "customAgentId": "oauth", "requestId": "1234567895", "authenticationResponse": { "code": "fkhoe541658sfk684d135j186mngkjdrt5425415a2s1dfa68s4edf", }, } "sendTime": "2020-10-02T15:01:24.045123456Z", }代理会与 OAuth 提供方进行通信，用授权代码换取访问令牌，并获取用户的帐号信息。
客服人员发送“谢谢您登录。您目前有 2 笔赠送金额。为了确认这一点，您需要我向您的帐号添加 5 个积分，并用默认付款方式“默认”和“否”提示您的默认付款方式。
curl -X POST "https://businessmessages.googleapis.com/v1/conversations/3333/messages" \ -H "Content-Type: application/json" \ -H "`oauth2l header --json path/to/service/account/key.json businessmessages`" \ -d "{ 'messageId': '7777', 'text': 'Thanks for signing in. You currently have 2 credits. To confirm, you'd like to me to add 5 credits to your account and bill your default payment method?', 'suggestions': [ { 'reply': { 'text': 'Yes', 'postbackData': 'process-transaction', }, }, { 'reply': { 'text': 'No', 'postbackData': 'cancel-transaction', }, }, ], 'representative': { 'avatarImage': 'https://oauth.agent/bot-avatar.jpg', 'displayName': 'OAuth Agent', 'representativeType': 'BOT' } }"用户点按建议的回复。
{ "agent": "brands/1111/agents/2222", "conversationId": "3333", "customAgentId": "oauth", "requestId": "1234567898", "suggestionResponse": { "message": "conversations/333/messages/8888", "postbackData": "process-transaction", "createTime": "2020-10-02T15:01:26.045123456Z", "text": "Yes", "suggestionType": "REPLY", } "sendTime": "2020-10-02T15:01:27.045123456Z", }代理使用 OAuth 访问令牌处理事务，然后发送消息“Great. 我刚刚向您的帐号添加了 5 个积分。还有什么我可以帮到你的吗？
curl -X POST "https://businessmessages.googleapis.com/v1/conversations/3333/messages" \ -H "Content-Type: application/json" \ -H "`oauth2l header --json path/to/service/account/key.json businessmessages`" \ -d "{ 'messageId': '9999', 'text': 'Great. I just added 5 credits to your account. Is there anything else I can help you with?', 'representative': { 'avatarImage': 'https://oauth.agent/bot-avatar.jpg', 'displayName': 'OAuth Agent', 'representativeType': 'BOT' } }"用户发送“不用了”。
{ "agent": "brands/1111/agents/2222", "conversationId": "3333", "customAgentId": "oauth", "requestId": "123123133", "message": { "messageId": "4444", "name": "conversations/12345/messages/101010", "text": "No, thanks", "createTime": "2020-10-02T15:05:23.045123456Z", }, "context": { "entryPoint": "PLACESHEET", "userInfo": { "displayName": "Michael", "userDeviceLocale": "en", }, "resolvedLocale": "en", } "sendTime": "2020-10-02T15:05:28.045123456Z", }客服人员发送“谢谢您与我们联系。祝您一切顺利！”
curl -X POST "https://businessmessages.googleapis.com/v1/conversations/3333/messages" \ -H "Content-Type: application/json" \ -H "`oauth2l header --json path/to/service/account/key.json businessmessages`" \ -d "{ 'messageId': '11111111', 'text': 'Thanks for contacting us. Have a great day!', 'representative': { 'avatarImage': 'https://oauth.agent/bot-avatar.jpg', 'displayName': 'OAuth Agent', 'representativeType': 'BOT' } }"