# Extension Guides

This section explains how to use specific Lens Extension APIs.
It includes detailed guides and code samples.
For introductory information about the Lens Extension API, please see [Your First Extension](../get-started/your-first-extension.md).

Each guide or code sample includes the following:

- Clearly commented source code.
- Instructions for running the sample extension.
- An image showing the sample extension's appearance and usage.
- A listing of the Extension API being used.
- An explanation of the concepts relevant to the Extension.

## Guides

| Guide | APIs |
| ----- | ----- |
| [Generate new extension project](generator.md) ||
| [Main process extension](main-extension.md) | Main.LensExtension |
| [Renderer process extension](renderer-extension.md) | Renderer.LensExtension |
| [Resource stack (cluster feature)](resource-stack.md) | |
| [Extending KubernetesCluster)](extending-kubernetes-cluster.md) | |
| [Stores](stores.md) | |
| [Components](components.md) | |
| [KubeObjectListLayout](kube-object-list-layout.md) | |
| [Working with mobx](working-with-mobx.md) | |
| [Protocol Handlers](protocol-handlers.md) | |
| [Sending Data between main and renderer](ipc.md) | |

## Samples

| Sample | APIs |
| ----- | ----- |
[hello-world](https://github.com/lensapp/lens-extension-samples/tree/master/helloworld-sample) | LensMainExtension <br> LensRendererExtension <br> Renderer.Component.Icon <br> Renderer.Component.IconProps |
[styling-css-modules-sample](https://github.com/lensapp/lens-extension-samples/tree/master/styling-css-modules-sample) | LensMainExtension <br> LensRendererExtension <br> Renderer.Component.Icon <br> Renderer.Component.IconProps |
[styling-emotion-sample](https://github.com/lensapp/lens-extension-samples/tree/master/styling-emotion-sample) | LensMainExtension <br> LensRendererExtension <br> Renderer.Component.Icon <br> Renderer.Component.IconProps |
[styling-sass-sample](https://github.com/lensapp/lens-extension-samples/tree/master/styling-sass-sample) | LensMainExtension <br> LensRendererExtension <br> Renderer.Component.Icon <br> Renderer.Component.IconProps |
[custom-resource-page](https://github.com/lensapp/lens-extension-samples/tree/master/custom-resource-page) | LensRendererExtension <br> Renderer.K8sApi.KubeApi <br> Renderer.K8sApi.KubeObjectStore <br> Renderer.Component.KubeObjectListLayout <br> Renderer.Component.KubeObjectDetailsProps <br> Renderer.Component.IconProps |