---
sourceDocument: Yokohama Build or modify applications
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/application-development

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Test apps with pro-code tools

# Test apps with pro-code tools {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Test your ServiceNow apps.

|-|-|-|
| [Automated Test Framework ![Automated Test Framework.]() Create and run automated tests to confirm that your instance works after making a change.](cKDbfiKQi3wb2j3g4WmMOg "The Automated Test Framework helps you ensure the integrity of your instance by enabling the creation and execution of automated tests following any changes.") | [Test Management ![Test Management.]() Streamline the management of testing processes to help you deliver software products more efficiently and with fewer errors.](https://www.servicenow.com/docs/access?context=test-management-overview&version=yokohama&pubname=yokohama-it-business-management&ft:locale=en-US) | [Script Debugger ![Script Debugger.]() Debug scripts using session logs and ServiceNow AI Platform debugging tools such as a walk-through script debugger and error messages that display in the UI.](https://www.servicenow.com/docs/access?context=script-debugger&version=yokohama&pubname=yokohama-api-reference&ft:locale=en-US) |
| [Script Tracer ![Script tracer.]() Filter your debugging search to quickly narrow down script problems.](https://www.servicenow.com/docs/access?context=script-tracer&version=yokohama&pubname=yokohama-api-reference&ft:locale=en-US) | [Session Log ![Session Log.]() View and download the session log for business rules, script includes, and a custom UI.](https://www.servicenow.com/docs/access?context=script-debugger&version=yokohama&pubname=yokohama-api-reference&ft:locale=en-US) | [User impersonation ![User impersonation.]() Impersonate other authenticated users for testing purposes and view impersonation logs.](https://www.servicenow.com/docs/access?context=t_ImpersonateAUserInUI16&version=yokohama&pubname=yokohama-platform-administration&ft:locale=en-US) |
| [NOW Command Line Interface (CLI) ![NOW Command Line Interface.]() Perform instance operations from your local system with a command-line interface.](w_2rm~gX05etJqSyB2VxEg "The ServiceNow CLI is a command-line interface that lets you perform instance operations from your local system. You can extend the CLI to include new commands that meet your application's needs.") |   |   |
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