How to use the dialogflow.v2beta1.SessionsClient function in dialogflow

async function detectIntentKnowledge(
  projectId,
  sessionId,
  languageCode,
  knowledgeBaseFullName,
  query
) {
  // [START dialogflow_detect_intent_knowledge]
  // Imports the Dialogflow client library
  const dialogflow = require('dialogflow').v2beta1;

  // Instantiate a DialogFlow client.
  const sessionClient = new dialogflow.SessionsClient();

  /**
   * TODO(developer): Uncomment the following lines before running the sample.
   */
  // const projectId = 'ID of GCP project associated with your Dialogflow agent';
  // const sessionId = `user specific ID of session, e.g. 12345`;
  // const languageCode = 'BCP-47 language code, e.g. en-US';
  // const knowledgeBaseFullName = `the full path of your knowledge base, e.g my-Gcloud-project/myKnowledgeBase`;
  // const query = `phrase(s) to pass to detect, e.g. I'd like to reserve a room for six people`;

  // Define session path
  const sessionPath = sessionClient.sessionPath(projectId, sessionId);
  const knowbase = new dialogflow.KnowledgeBasesClient();
  const knowledgeBasePath = knowbase.knowledgeBasePath(
    projectId,
    knowledgeBaseFullName

async function detectIntentandSentiment(
  projectId,
  sessionId,
  query,
  languageCode
) {
  // [START dialogflow_detect_intent_with_sentiment_analysis]
  // Imports the Dialogflow client library
  const dialogflow = require('dialogflow').v2beta1;

  // Instantiate a DialogFlow client.
  const sessionClient = new dialogflow.SessionsClient();

  /**
   * TODO(developer): Uncomment the following lines before running the sample.
   */
  // const projectId = 'ID of GCP project associated with your Dialogflow agent';
  // const sessionId = `user specific ID of session, e.g. 12345`;
  // const query = `phrase(s) to pass to detect, e.g. I'd like to reserve a room for six people`;
  // const languageCode = 'BCP-47 language code, e.g. en-US';

  // Define session path
  const sessionPath = sessionClient.sessionPath(projectId, sessionId);

  // The text query request.
  const request = {
    session: sessionPath,
    queryInput: {

async function detectIntentwithModelSelection(
  projectId,
  sessionId,
  audioFilePath,
  languageCode,
  model
) {
  // [START dialogflow_detect_intent_with_model_selection]
  const fs = require('fs');

  // Imports the Dialogflow client library
  const dialogflow = require('dialogflow').v2beta1;

  // Instantiate a DialogFlow client.
  const sessionClient = new dialogflow.SessionsClient();

  /**
   * TODO(developer): Uncomment the following lines before running the sample.
   */
  // const projectId = 'ID of GCP project associated with your Dialogflow agent';
  // const sessionId = `user specific ID of session, e.g. 12345`;
  // const audioFilePath = `path to local audio file, e.g. ./resources/book_a_room.wav`;
  // const languageCode = 'BCP-47 language code, e.g. en-US';
  // const model = `speech mode selected for given request, e.g. video, phone_call, command_and_search, default`;

  // Define session path
  const sessionPath = sessionClient.sessionPath(projectId, 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(audioFilePath);
  const request = {

async function detectIntentwithTexttoSpeechResponse(
  projectId,
  sessionId,
  query,
  languageCode,
  outputFile
) {
  // [START dialogflow_detect_intent_with_texttospeech_response]
  // Imports the Dialogflow client library
  const dialogflow = require('dialogflow').v2beta1;

  // Instantiate a DialogFlow client.
  const sessionClient = new dialogflow.SessionsClient();

  /**
   * TODO(developer): Uncomment the following lines before running the sample.
   */
  // const projectId = 'ID of GCP project associated with your Dialogflow agent';
  // const sessionId = `user specific ID of session, e.g. 12345`;
  // const query = `phrase(s) to pass to detect, e.g. I'd like to reserve a room for six people`;
  // const languageCode = 'BCP-47 language code, e.g. en-US';
  // const outputFile = `path for audio output file, e.g. ./resources/myOutput.wav`;

  // Define session path
  const sessionPath = sessionClient.sessionPath(projectId, sessionId);
  const fs = require(`fs`);

  // The audio query request
  const request = {