Download
You can show a download button. If the file is not available the button will be marked with "Offline". You should prefix local downloads with a slash. These will be linked to your public directory. You can also use external downloads from other sources.
:download[Herunterladen]{src="proxy.php?url=https%3A%2F%2Fhyperbook.openpatch.org%2Ftest.zip"}
:download[Herunterladen]{src="https://hyperbook.openpatch.org/test.jpg"}
This download links to a file test.zip in the public folder.
Unfortunately, the file is not available.
This download links to a file test.jpg in the public folder.
If your hyperbook uses the basePath property, the basePath will automatically be prepended.