# Audit Trail

Clarity LIMS provides Audit Trail, a robust data-tracking system that allows for tracking of the following:

* All user activity (ie, who did what, and when).
* Every action that is written to the database.

Audit Trail has two capture systems, Event Log and Detail Log.

* **Event Log**—Records familiar BaseSpace Clarity LIMS user actions and presents this information in a format that is easy to read and understand.
* **Detail Log**—Records exacting information about changes resulting from actions recorded in the Event Log. This includes both updated values and previous values.

Enabling Audit Trail may result in a small performance hit due to the overhead of writing the entries to the database. It is recommended that you periodically archive the Audit Trail database so that it does not become too large.

**NOTE**: Audit Trail is enabled by default.

{% hint style="info" %}
Audit Trail feature is available to Enterprise customers only. To enable, validate, or disable audit trail on your Clarity LIMS cloud instance, contact Illumina Technical Support for assistance.
{% endhint %}


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