Introducing the Inngest TypeScript / JavaScript SDK
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Sending events

Follow along to learn how to:

  • Send events to Inngest so that you can automatically trigger any subscribing functions.

Sending events

Firstly, make sure you have the inngest package installed via NPM or yarn. Then, from your code, write the following:

import { Inngest } from 'inngest';
// Create a new client using your inngest event key
export const client = new Inngest(process.env.INNGEST_EVENT_KEY);
// This sends an event to Inngest.
// The event name
name: "demo/demo.event",
// The event's data
data: {
account: {
id: 123,
email: "",
cartID: "ed12c8bde",
like: true,

This code does two things. We first create a new client using an event key. Event keys are only used for sending events, and cannot access any other part of your account.

Then, using the client, we send the event named demo/demo.event to Inngest. Inngest will accept this event and do the following:

  1. See if the event already exists within your account. If not, we’ll automatically create a new version of this event and infer the type from the data sent.
  2. Look up any functions triggered by this event, then run them automatically in parallel using the entire event object supplied as the function’s arguments.

Advanced usage

There’s more you can do with events, such as user identification, event versioning, and filtering for each key.

Next up

Next up, learn how to deploy your functions by registering them with Inngest.