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    @google-cloud/dialogflow-cx
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    3.1.2 • Public • Published

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    Dialogflow CX API: Node.js Client

    release level npm version

    Cx client for Node.js

    A comprehensive list of changes in each version may be found in the CHANGELOG.

    Read more about the client libraries for Cloud APIs, including the older Google APIs Client Libraries, in Client Libraries Explained.

    Table of contents:

    Quickstart

    Before you begin

    1. Select or create a Cloud Platform project.
    2. Enable billing for your project.
    3. Enable the Dialogflow CX API API.
    4. Set up authentication with a service account so you can access the API from your local workstation.

    Installing the client library

    npm install @google-cloud/dialogflow-cx

    Using the client library

    /**
     * TODO(developer): Uncomment these variables before running the sample.
     */
    // const projectId = 'my-project';
    // const location = 'global';
    // const agentId = 'my-agent';
    // const audioFileName = '/path/to/audio.raw';
    // const encoding = 'AUDIO_ENCODING_LINEAR_16';
    // const sampleRateHertz = 16000;
    // const languageCode = 'en'
    
    // Imports the Google Cloud Some API library
    const {SessionsClient} = require('@google-cloud/dialogflow-cx');
    /**
     * Example for regional endpoint:
     *   const location = 'us-central1'
     *   const client = new SessionsClient({apiEndpoint: 'us-central1-dialogflow.googleapis.com'})
     */
    const client = new SessionsClient();
    
    const fs = require('fs');
    const util = require('util');
    // Assumes uuid module has been installed from npm,
    // npm i uuid:
    const {v4} = require('uuid');
    
    async function detectIntentAudio() {
      const sessionId = v4();
      const sessionPath = client.projectLocationAgentSessionPath(
        projectId,
        location,
        agentId,
        sessionId
      );
    
      // Read the content of the audio file and send it as part of the request.
      const readFile = util.promisify(fs.readFile);
      const inputAudio = await readFile(audioFileName);
    
      const request = {
        session: sessionPath,
        queryInput: {
          audio: {
            config: {
              audioEncoding: encoding,
              sampleRateHertz: sampleRateHertz,
            },
            audio: inputAudio,
          },
          languageCode,
        },
      };
      const [response] = await client.detectIntent(request);
      console.log(`User Query: ${response.queryResult.transcript}`);
      for (const message of response.queryResult.responseMessages) {
        if (message.text) {
          console.log(`Agent Response: ${message.text.text}`);
        }
      }
      if (response.queryResult.match.intent) {
        console.log(
          `Matched Intent: ${response.queryResult.match.intent.displayName}`
        );
      }
      console.log(
        `Current Page: ${response.queryResult.currentPage.displayName}`
      );
    }
    
    detectIntentAudio();

    Samples

    Samples are in the samples/ directory. Each sample's README.md has instructions for running its sample.

    Sample Source Code Try it
    Configure-webhook-to-set-form-parameter-as-optional-or-required source code Open in Cloud Shell
    Create-agent source code Open in Cloud Shell
    Create-page source code Open in Cloud Shell
    Delete-page source code Open in Cloud Shell
    Detect-intent-audio source code Open in Cloud Shell
    Detect-intent-disabled-webhook source code Open in Cloud Shell
    Detect-intent-event source code Open in Cloud Shell
    Detect-intent-streaming source code Open in Cloud Shell
    Detect-intent-synthesize-tts-response source code Open in Cloud Shell
    Detect-intent-text source code Open in Cloud Shell
    Detect-intent-with-intent-input source code Open in Cloud Shell
    Detect-intent-with-sentiment-analysis source code Open in Cloud Shell
    List-intents source code Open in Cloud Shell
    List-page source code Open in Cloud Shell
    List-testcase-results source code Open in Cloud Shell
    List Training Phrases source code Open in Cloud Shell
    Long-running-operation source code Open in Cloud Shell
    Quickstart source code Open in Cloud Shell
    Streaming-detect-intent-partial-response source code Open in Cloud Shell
    Update-intent source code Open in Cloud Shell
    Webhook-configure-session-parameters source code Open in Cloud Shell
    Webhook-validate-form-parameter source code Open in Cloud Shell
    Webhooks source code Open in Cloud Shell

    The Dialogflow CX API Node.js Client API Reference documentation also contains samples.

    Supported Node.js Versions

    Our client libraries follow the Node.js release schedule. Libraries are compatible with all current active and maintenance versions of Node.js. If you are using an end-of-life version of Node.js, we recommend that you update as soon as possible to an actively supported LTS version.

    Google's client libraries support legacy versions of Node.js runtimes on a best-efforts basis with the following warnings:

    • Legacy versions are not tested in continuous integration.
    • Some security patches and features cannot be backported.
    • Dependencies cannot be kept up-to-date.

    Client libraries targeting some end-of-life versions of Node.js are available, and can be installed through npm dist-tags. The dist-tags follow the naming convention legacy-(version). For example, npm install @google-cloud/dialogflow-cx@legacy-8 installs client libraries for versions compatible with Node.js 8.

    Versioning

    This library follows Semantic Versioning.

    This library is considered to be stable. The code surface will not change in backwards-incompatible ways unless absolutely necessary (e.g. because of critical security issues) or with an extensive deprecation period. Issues and requests against stable libraries are addressed with the highest priority.

    More Information: Google Cloud Platform Launch Stages

    Contributing

    Contributions welcome! See the Contributing Guide.

    Please note that this README.md, the samples/README.md, and a variety of configuration files in this repository (including .nycrc and tsconfig.json) are generated from a central template. To edit one of these files, make an edit to its templates in directory.

    License

    Apache Version 2.0

    See LICENSE

    Install

    npm i @google-cloud/dialogflow-cx

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    Version

    3.1.2

    License

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