Extend an existing page
Modify an existing page by extending it.
About this task
The following procedure describes how to complete this task manually. You can also complete the task using agentic development tools, such as Claude Code.
Before you begin
Role required: none
The ServiceNow® AI Experience Lab for VS Code extension requires the following:
| Application | Version | Resources for more information |
|---|---|---|
| Visual Studio Code | 1.97 later | Visual Studio Code updates |
| Node.js | 24 or later | Node.js |
| pnpm | 10 or later | pnpm |
| ServiceNow SDK | 4.10 or later | ServiceNow SDK |
| ServiceNow instance |
|
Prepare your upgrade |
Procedure
Result
Your page extension is created. You can now add elements to the page and preview as needed. Certain pages aren't previewable in the ServiceNow® AI Experience Lab for VS Code extension and must be previewed by deploying to your instance.