---
title: Configure dynamic content
slug: cms-11/dev-docs/configuring-dynamic-content-legacy
docTags: 
createdAt: 2026-07-22T19:45:17.341Z
---

:::hint{type="warning"}
**Caution**
Dynamic content is deprecated in Optimizely Content Management System (CMS 12). Use blocks instead. While existing solutions will continue to work, you should not build new solutions on this API. It will be phased out in the future.
:::

If you use the `DynamicContentPlugIn` attribute, you do not need to register your plug-in in this way manually. If you do not use the attribute, you need to register the plug-in in the `<episerver>` section of `web.config` as shown in the following example:

```xml
<episerver>
  <dynamicContent>
    <controls>
      <add description="My example dynamic content class"
           name="ExampleDynamicContent"
           type="MyNamespace.MyDynamicContent, MyDll" />
    </controls>
  </dynamicContent>
    ...
</episerver>
```