First, verify that you are inside the workflow directory:

$ ls

Dockerfile      reference       wf      version

Then, use latch preview with the name of the workflow function:

$ latch preview <workflow_function_name>

After using latch preview, a new button with the workflow name will appear on the top right corner of the “Workflows” page:

You can click on the button to preview the interface.

Screenshot of the workflow interface preview page