> For the complete documentation index, see [llms.txt](https://mind-expression-docs.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mind-expression-docs.gitbook.io/home/quickstarts/test.md).

# Test

### Before you begin

You need to have a Subject in your Scope to test it. To learn how to create a Scope, see [Quickstarts: Create Scope](/home/quickstarts/create-scope.md). To learn how to add a Subject, see [Quickstarts: Add Subject](/home/quickstarts/add-subject.md).

![](/files/7p74mfINNi15ZEdxoRz1)

### Test in Sandbox

On the Subject details page, you can open the Sandbox panel and test the Subject. Enter a customer input message to initiate a test session, and see AI responses. You can check out AI action details if you click on each AI message. To learn more about Sandbox, see [Concepts: Subjects - Sandbox](/home/concepts/sandbox.md).<br>