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Click on "Gateway Tracer" to get to this screen:
Here, you can setup conditions for tracing, start and stop it, and decide if you want to record request or response contents too.
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Below is an example with the browser zoomed out to display as much information as possible:
Exporting a trace to PDF
To further help diagnosing any issues, you can export all the captured traces to PDF, or you can select an individual request and just export that to PDF.
This will generate a PDF file and open that in a viewer - here, you can download it.