---
title: "Add transformations to public links for dynamic asset renditions"
slug: "add-transformations-to-public-links-for-dynamic-asset-renditions"
abstract: "Enable dynamic renditions of DAM assets by applying transformations to the public link."
---
# Add transformations to public links for dynamic asset renditions

You can produce dynamic renditions of DAM assets in Sitecore without reproducing a new public link by using transformations. This allows you to transform an asset’s height, width, or quality using the `t=[transformation_name]` parameter in the public link. For example, the following shows the insertion of a transformation parameter in a public link to dynamically resize an image width to 100 pixels:

```text
https://{sitecore instance}/api/public/content/Figure1-cropped?&t=w100

```

For each transformation definition in Sitecore Content Hub, you create a transformation mapping item in Sitecore. This is the step that makes DAM transformation definitions available for selection in the Content Editor, in the **Insert DAM Transformation** dialog

> [!note]
> **Before you begin**
> -   If they don't already exist, you must [create the required transformations in Sitecore Content Hub](https://doc.sitecore.com/ch/en/users/content-hub/manage-digital-assets--add-or-edit-transformations.html).

To create a transformation mapping item:

1. In Content Editor, navigate to `/sitecore/system/Modules/DAM/Config/Transformation/Image Field`.
2. In the content area, click **Transformations** and, in the dialog, enter a name for the new transformation, and click **OK**.
3. In the **Definition** section, in the **Transformation Name** field, enter the name of the transformation definition that you want to map to in Sitecore Content Hub.
4. On the ribbon, click **Save**.
5. Repeat this procedure for all transformation definitions configured in Sitecore Content Hub.

You can now insert DAM transformations in the **Image** field to transform your DAM assets in the Content Editor. For example, in the **Image** field, when you click **DAM Transformation**, the **Insert DAM Transformation** dialog in Content Editor displays transformation definitions from Content Hub DAM, as shown in the following example:

![The Insert DAM Transformation dialog listing transformation definition names in a drop-down list.](https://doc.sitecore.com/api/markdown-image/xp/en/developers/connect-for-ch/52/connect-for-content-hub/images/InsertDAMtransformation.png)