---
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


---

# Debug a script

# Debug a script in ServiceNow Studio {#ariaid-title1}

Release version: Brazil  
Updated September 10, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Use the Script Debugger in ServiceNow Studio to debug business rules and other synchronous server-side scripts during app development.

## Before you begin

Role required: admin or delegated_developer

## Procedure

1. Navigate to AllApp EngineServiceNow Studio.
2. On the home page, enter <kbd class="ph userinput">Script Debugger</kbd> in the main search.
3. Select the Script Debugger module.
4. Use the Script Debugger to debug scripts.  
   Some tabs and features are role-dependent. For more information, see [Script Debugger and Session Log](https://www.servicenow.com/docs/access?context=script-debugger&version=brazil&pubname=brazil-api-reference&ft:locale=en-US).

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