# Logging Insights events with the CloudTrail console
<a name="insights-events-enable"></a>

This section describes how you can enable Insights events on an existing trail using the CloudTrail console.

For more information about how to create a new trail to log Insights events, see [Creating a trail with the console](cloudtrail-create-a-trail-using-the-console-first-time.md#creating-a-trail-in-the-console).

## Enabling CloudTrail Insights on an existing trail with the console
<a name="insights-events-enable-trail"></a>

Use the following procedure to enable CloudTrail Insights on an existing trail.

1. In the left navigation pane of the CloudTrail console, open the **Trails** page, and choose a trail name.

1. In **Insights events**, choose **Edit**.
**Note**  
Additional charges apply for logging Insights events. For CloudTrail pricing, see [Amazon CloudTrail Pricing](http://www.amazonaws.cn/cloudtrail/pricing/).

1. In **Event type**, choose **Insights events**.

1. In **Insights events** choose **management events** or **data events** 

1.  Under **Insights types**, choose **API call rate, API error rate,** or both. Your trail must be logging **Write** management or data events to log Insights events for **API call rate**. Your trail must be logging **Read** or **Write** management or data to log Insights events for **API error rate**. 

1. Choose **Save changes** to save your changes.

CloudTrail may take up to 36 hours to begin delivering Insights events after you enable Insights events on a trail, provided that unusual activity is detected during that time.