***

id: 0b31547c-c3f8-4c6f-8458-7aafab91fcef
title: publish
slug: /js/reference/pubsub/client/publish
description: publish method for the PubSub.Client class.
max-toc-depth: 3
----------------

### publish

* **publish**(`params`): `Promise<void>`

Publish a message into the specified channel.

#### Parameters

<ParamField path="params" type="object" required={true}>
  Configuration object for publishing a message
</ParamField>

<Indent>
  <ParamField path="params.channel" type="string" required={true}>
    Channel in which to send the message.
  </ParamField>

  <ParamField path="params.content" type="any" required={true}>
    The message to send. This can be any JSON-serializable object.
  </ParamField>

  <ParamField path="params.meta" type="Record<any, any>">
    Metadata associated with the message. There are no requirements on the content of metadata.
  </ParamField>
</Indent>

#### Returns

`Promise<void>`

#### Examples

Publishing a message as a string:

```js
await pubSub.publish({
  channel: "my-channel",
  content: "Hello, world."
});
```

Publishing a message as an object:

```js
await pubSub.publish({
  channel: "my-channel",
  content: {
    field_one: "value_one",
    field_two: "value_two"
  },
});
```