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

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Client test runner

# Client test runner {#ariaid-title1}

* Release version: Australia
* 
* Updated March 12, 2026
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

The Client Test Runner opens a browser window or tab for running manually-started
client automated tests.
You can toggle a client test runner to act as either a manual or scheduled client test runner. For more information about scheduling test suites, see [Schedule an automated test suite](https://www.servicenow.com/docs/3sSvpzyhf6TQPhtE_ZsAwg "Schedule one or more test suites to run at a specific date and time."). {#atf-client-test-runner-module__table_vtz_r4g_sz__entry__2}

| Field / UI Element | Description |
|-|-|
| Form preferences icon (![Personalize form icon]()) | Click to display the form preferences panel. |
| Form preferences panel: Screenshots mode | Choose among: * Enable for all steps * Enable for failed steps * Disable for all steps {#atf-client-test-runner-module__frw_krq_ty}For additional information, see [Set the system property to control when the Automated Test Framework captures screenshots](https://www.servicenow.com/docs/jjhxXC6goRyNYf3d_vmWPg#atf-screenshot-prefs "To control how often this instance captures screenshots for form test steps, set the screenshot capture mode on the automatic test framework properties page.") |
| Form preferences panel: Run scheduled tests only | Click to toggle between: * On (green): Use this client test runner to run only scheduled tests and suites. * Off (gray): Use this client test runner to run only manually-started tests and suites. {#atf-client-test-runner-module__qvv_wrq_ty} |
[Table 1. Fields on the Client Runner Test window]

{#atf-client-test-runner-module__table_vtz_r4g_sz}