> For the complete documentation index, see [llms.txt](https://help.aristotlemetadata.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.aristotlemetadata.com/special-features/harvester/managing-custom-transformation-services.md).

# Managing custom transformation services

{% hint style="info" %}
Custom transformation services can only be managed by registry Administrators
{% endhint %}

Before a harvest configuration can be created, it needs to be assigned a transformation service. These services tie harvest configurations to OAI-PMH prefixes.

### How to manage custom transformation services

1. Select 'Administrator tools' from the dashboard side panel.

<figure><img src="/files/lOGu6jYlsKjDJU7iysqH" alt=""><figcaption></figcaption></figure>

2. Select 'Manage Harvester Tasks'.

<figure><img src="/files/ZMinySsx6aQwWY7Ud9Bi" alt=""><figcaption></figcaption></figure>

3. Select 'Manage Custom Transformation Services'.

<figure><img src="/files/glupWctwPs8GbEnR56t7" alt=""><figcaption></figcaption></figure>

**Note:** This will open the 'Custom Transformation Service List' page in a new window.

4. **If you wish to add a new custom transformation service**, select 'Add new custom transformation service'.

<figure><img src="/files/wEaFgqYTKsJw4aY5xmC7" alt=""><figcaption></figcaption></figure>

5. Populate the 'Service Name' field as desired.

<figure><img src="/files/7gi8Rshk18gSAVhQxOR9" alt=""><figcaption></figcaption></figure>

6. Enter the transformation service URL you wish to use in the 'Service URL' field.

<figure><img src="/files/waPRkcoZPFQdunE4ORtp" alt=""><figcaption></figcaption></figure>

7. Select the '+' to add a new supported prefix.

<figure><img src="/files/fmw8JATo5NYHaEhaqoLR" alt=""><figcaption></figcaption></figure>

**Note:** The '-' can be selected to remove a supported prefix.

8. Populate the 'Supported Prefixes' field with an appropriate, supported OAI-PMH prefix.

<figure><img src="/files/DLrBwhvyjImX4KZ5b3Vk" alt=""><figcaption></figcaption></figure>

9. Select 'Add Service'.

<figure><img src="/files/HZXOrMRCAPkgJIGjiwjH" alt=""><figcaption></figcaption></figure>

10. The transformation service will be added to the 'Custom Transformation Service List' page, and can now be used in the creation of a new harvest configuration. From the 'Custom Transformation Service List' page, transformation services can be both edited and deleted by selecting 'Edit' and 'Delete' respectively.

<figure><img src="/files/ZGeUCXfqm68IGWLvQqRm" alt=""><figcaption></figcaption></figure>