---
sourceDocument: Xanadu API Reference
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/xanadu/api-reference

 Release :

    - xanadu

ft:locale :

    - en-US

ft:publication_title :

    - Xanadu API Reference

ft:clusterId :

    - crapiref

bundleId :

    - crapiref

workflow :

    - Creator


---

# Creating and adding a client extension point

# Creating and adding a client extension point {#ariaid-title1}

* Release version: Xanadu
* 
* Updated August 1, 2024
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Create client extension points and add them to the client-side UI scripts in the base
application code.

Use a client extension point to designate the specific location where data or objects can be
sent to a registered custom UI script and where returned results are processed.
* **[Create a client extension point](https://servicenow-prod.fluidtopics.net/qJWXRf5AYXToFHY3GyxgBQ)**   
  Create a client extension point that you can place in the UI scripts in the application code. By placing the client extension point, you designate the specific location in the application code where data or objects can be sent to a customization, and where data is returned.
* **[Add a client extension point in the base application code](https://servicenow-prod.fluidtopics.net/n5eR5lBZVbnktJUYyk6CqA)**   
  Add the UI extension point into a UI script in the base application code. To add the extension point, place an API call that identifies the location at which registered custom artifacts execute.