---
sourceDocument: Brazil Build or modify applications
sourceDocumentLink: https://www.servicenow.com/docs/r/application-development

 Release :

    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Supported preview file types

# Supported preview file types {#ariaid-title1}

Release version: Brazil  
Updated October 8, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Find the file types that ServiceNow Studio supports in preview features to confirm or update user-facing page functionality.
The following table lists the file type supported by the default ServiceNow Studio preview.

## Which file type does preview support? {#supported-preview-file-types__section_krt_dfh_zjc}

{#supported-preview-file-types__table_ty4_gfh_zjc__entry__3}

| File type | Preview table name | Description |
|-|-|-|
| [UI pages](https://www.servicenow.com/docs/access?context=r_UIPages&version=brazil&pubname=brazil-api-reference&ft:locale=en-US) | sys_ui_page | UI pages enable you to create and display forms, dialogs, lists, and other UI components. Use UI pages as widgets on dashboards. To find the UI pages, navigate to System UI \> UI Pages. This functionality requires knowledge of HTML or Jelly. You can also create simple AngularJS applications with UI pages. |
[ ]

{#supported-preview-file-types__table_ty4_gfh_zjc}