# Attributes

Runs support [**Custom Attributes**](https://manual.firstresonance.io/features/custom-attributes) that can be used to add user-defined data fields. Run custom attributes can be set while creating a run and changed at any time through the **Run Summary** view.

![Define run attributes during run creation ](https://3615148728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LkRqYp6lJhwxjYdzYG8%2Fuploads%2FXvePoBPKQ5B8qb61fl56%2FScreen%20Shot%202022-07-11%20at%2011.35.10%20AM.png?alt=media\&token=c335783b-8ec1-4a45-8574-3058b0b45240)

![Run attributes can be viewed and adjusted in Run Summary](https://3615148728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LkRqYp6lJhwxjYdzYG8%2Fuploads%2FsW1uk8mdJWpItHXF9J3N%2FScreen%20Shot%202022-07-11%20at%2011.44.15%20AM.png?alt=media\&token=7b7673c3-37bf-4a4f-b4e8-a258f9eae2db)

{% hint style="info" %}
Run custom attributes can be edited at any time
{% endhint %}