> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/resilience-testing/chaos-testing/templates/fault-template-templates.md).

# Fault Template

{% @harness-package-selector/package-selector platforms="%5B%7B%22label%22%3A%22Fault%20Template%22%2C%22slug%22%3A%22fault-template%22%2C%22path%22%3A%22resilience-testing%2Fchaos-testing%2Ftemplates%2Ffault-template-templates%22%7D%2C%7B%22label%22%3A%22Probe%20Template%22%2C%22slug%22%3A%22probe-template%22%2C%22path%22%3A%22resilience-testing%2Fchaos-testing%2Ftemplates%2Fprobe-template-templates%22%7D%2C%7B%22label%22%3A%22Action%20Template%22%2C%22slug%22%3A%22action-template%22%2C%22path%22%3A%22resilience-testing%2Fchaos-testing%2Ftemplates%2Faction-template-templates%22%7D%2C%7B%22label%22%3A%22Experiment%20Template%22%2C%22slug%22%3A%22experiment-template%22%2C%22path%22%3A%22resilience-testing%2Fchaos-testing%2Ftemplates%2Fexperiment-template-templates%22%7D%5D" selectedPlatform="fault-template" %}

**Fault Templates** allow you to create reusable custom fault templates that can be shared and used across multiple experiments.

![fault templates](https://3217710372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRmV5EkLS9r45VPaoUnJZ%2Fuploads%2Fgit-blob-d3fd045378b06c09822cb7a6fc611e80de1c463a%2Ffault-template.png?alt=media)

### Creating Fault Templates <a href="#creating-fault-templates" id="creating-fault-templates"></a>

1. Navigate to **ChaosHubs** in your **Project Settings**

   ![chaos hubs](https://3217710372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRmV5EkLS9r45VPaoUnJZ%2Fuploads%2Fgit-blob-05fa95e0f496165740b691af4db9b8dbc1e37cc0%2Fchaos-hub.png?alt=media)
2. Choose the **ChaosHub** you want to create fault template in.

   ![chaos hub](https://3217710372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRmV5EkLS9r45VPaoUnJZ%2Fuploads%2Fgit-blob-71fc1cbe1887d2be4e648975beccfaa158e806a1%2Fclick-on-chaoshub.png?alt=media)
3. Click on **New Fault Template** and enter the required details and click **Configure Details**.

   ![create templates](https://3217710372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRmV5EkLS9r45VPaoUnJZ%2Fuploads%2Fgit-blob-69306862a43e43f744305fcef679b0793dfdc91f%2Fcreate-template.png?alt=media)
4. In the next screen enter the **Lib Image** and more advanced properties, then click **Create Fault**.

   ![create templates](https://3217710372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRmV5EkLS9r45VPaoUnJZ%2Fuploads%2Fgit-blob-af6e184760dee7de4ec202c3218a83c20031d23c%2Flib-image.png?alt=media)
5. That's it. Your fault template is created. Now go back to **Project Settings** for your project and open **Chaos Faults**, then click on **Custom Faults** at the top right.
6. From the dropdown arrow next to **New Fault** and select **Start with a template**, to start using the template you created.

   ![use templates](https://3217710372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRmV5EkLS9r45VPaoUnJZ%2Fuploads%2Fgit-blob-fc8f2384e4e63238114c11a2a60602637a101464%2Fuse-fault-template.png?alt=media)

{% @harness-feedback/feedback %}