> ## Documentation index
> Fetch the complete documentation index at: https://upstash.com/docs/llms.txt
> Search it with GET https://upstash.com/docs/search?q=<query>.
> Use these to discover all available pages before exploring further.

# SUBSCRIBE

> Subscribe to a channel

## Arguments

<ParamField body="channels" type="string | string[]" required>
The channel to publish to.
</ParamField>

## Response

<ResponseField type="Subscriber" required>
  A subscriber instance which can subscribe to channels.
</ResponseField>

<RequestExample>
```ts Example
const subscription = redis.subscribe(["my-channel"]);

const messages = [];
subscription.on("message", (data) => {
  messages.push(data.message);
});
```
</RequestExample>