# Audience matched

Learn how to track when a user matches an audience.

This event tracks the audiences that a user has matched during a session, based on existing workspace [audiences](/explanation/audience/introduction).

> **Automatically tracked**
>
> We track this event for you, so no action is needed on your side.

## Input properties

This event has no input properties.

## Processed properties

These properties are automatically tracked:

- `audiences`: `Array<string>`

  The list of audiences IDs the user matched.

## Payload examples

Below is a payload example for this event:

**Processed payload**

```json
{
    "type": "audienceMatched",
    "audienceIds": [
      "returning-user",
      "likely-to-convert"
    ]
}
```

## Explore

- [Analytics](/reference/analytics): Learn how to analyze your dashboards.
- [Event-based audiences](/reference/cql/expressions/events/event-types/audience-matched): Learn how to create audiences based on this event.