# Field selection

The API provides a generic system to select the fields of the returned items.

To select specific fields, simply add the `fields=list_of_fields` query parameter to the url, where `list_of_fields` is a `comma separated list` of the fields to return. If not set and no particular default value is specified, `all` the available fields will be returned.

{% hint style="info" %}

### Simple field selection example

In this example we get only the `event_id` and the `total_bets` of the popular events

```bash
$ curl --request GET \\
  --url 'https://api.vaix.ai/api/sports/events/popular?fields=event_id,total_bets'
```

{% endhint %}

Not all endpoints support field selection. If field selection is available for an endpoint, then the available fields to select are indicated in the documentation of that endpoint.


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```
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