open-graph-protocol-examples
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audio url expression in meta tag
Hi!
Say, I want to add audio enclosure url into meta description on Blogger.com blog to show actual enclosure audio url in meta for Open Graph. I write <meta expr:content='data:post.enclosure.url' rel='enclosure' property='og:audio:secure_url' />
but I don't get the result you have below.
<meta property="og:audio:secure_url" content="https://d72cgtgi6hvvl.cloudfront.net/media/audio/250hz.mp3">
Do you have any suggestions ? Thank you!