[racket] About rendering to PDF under Scribble but from DrRacket IDE

Hi friends:
Could someone share a basic example of how to render to PDF a document under Scribble, but not using the command line, but from a program under DrRacket IDE?
Thank you very much in advance for your support, and congratulations to the Scribble designers: its really a great environment to work with.
Sincerely,
Enrique Cómer
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