Dialogflow API: Node.js Client
IMPORTANT NOTE
Version 2.0.0 renames dialogflow to @google-cloud/dialogflow on npm, along with introducing TypeScript types.
Dialogflow API client for Node.js
- Dialogflow API Node.js Client API Reference
- Dialogflow API Documentation
- github.com/googleapis/nodejs-dialogflow
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
- Select or create a Cloud Platform project.
- Enable billing for your project.
- Enable the Dialogflow API.
- Set up authentication with a service account so you can access the
API from your local workstation.
Installing the client library
npm install dialogflow
Using the client library
const dialogflow = require('dialogflow');
const uuid = require('uuid');
/**
* Send a query to the dialogflow agent, and return the query result.
* @param {string} projectId The project to be used
*/
async function runSample(projectId = 'your-project-id') {
// A unique identifier for the given session
const sessionId = uuid.v4();
// Create a new session
const sessionClient = new dialogflow.SessionsClient();
const sessionPath = sessionClient.sessionPath(projectId, sessionId);
// The text query request.
const request = {
session: sessionPath,
queryInput: {
text: {
// The query to send to the dialogflow agent
text: 'hello',
// The language used by the client (en-US)
languageCode: 'en-US',
},
},
};
// Send request and log result
const responses = await sessionClient.detectIntent(request);
console.log('Detected intent');
const result = responses[0].queryResult;
console.log(` Query: ${result.queryText}`);
console.log(` Response: ${result.fulfillmentText}`);
if (result.intent) {
console.log(` Intent: ${result.intent.displayName}`);
} else {
console.log(` No intent matched.`);
}
}
Samples
Samples are in the samples/ directory. The samples' README.md
has instructions for running the samples., Sample, Source Code, Try it, ---------------------------, ---------------------------------, ------, Detect Intent (Text), source code, 
, Create Knowledge Base, source code, , Get Knowledge Base, source code, , list Knowledge Base, source code, , list Knowledge Base, source code, , create Document, source code, , list Documents, source code, , Get Document, source code, , delete Document, source code, , detect Intent with sentiment analysis, source code, , detect Intent with text-to-speech response, source code, , detect Intent with Knowledge Base, source code, , Detect Intent (Audio), source code, , Detect Intent (Streaming), source code, , Create Entity, source code, , Delete Entity, source code, , Create Intent, source code, , Delete Intent, source code, , Create Context, source code, , Delete Context, source code, , Create Session Entity Type, source code, , Delete Session Entity Type, source code, , The Dialogflow API Node.js Client API Reference documentation
also contains samples.
Versioning
This library follows Semantic Versioning.
This library is considered to be General Availability (GA). This means it
is 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 GA libraries
are addressed with the highest priority.
More Information: Google Cloud Platform Launch Stages
Contributing
Contributions welcome! See the Contributing Guide.
License
Apache Version 2.0
See LICENSE