> 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).

![](https://2637928320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiRqPwZJVepiA6JYXHnaO%2Fuploads%2FgNjJn4as7pmTAkE6iS3d%2FScreen%20Shot%202022-05-25%20at%201.05.21%20PM.png?alt=media\&token=222d14bf-f646-42b4-95f2-85f0fc97c439)

### 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>