> For the complete documentation index, see [llms.txt](https://help.tillit.cloud/tillit/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.tillit.cloud/tillit/knowledge-base/setting-up-tillit/asset-hierarchy/assets/downtime-periods-x.md).

# Downtime Period

### Overview

Use downtime periods to better define periods of downtime for the asset.

### Create a Downtime Period

Go to ***Settings > Asset Hierarchy > Assets***

Then **select the relevant Asset.** On the asset details page find the **Asset Downtime Period** panel and click to open. Click **Create**.

<figure><img src="/files/3DQw1EqFeT0mkHJK98Es" alt=""><figcaption></figcaption></figure>

### Fields

| Name                    | Description                           |
| ----------------------- | ------------------------------------- |
| Name \*                 | Enter the name of the downtime period |
| Description             |                                       |
| Start Time \*           |                                       |
| Duration \*             |                                       |
| Percentage Availability |                                       |