<oembed><type>rich</type><version>1.0</version><title>GreatGhee wrote</title><author_name>GreatGhee (npub1n8…9teq3)</author_name><author_url>https://yabu.me/npub1n8805ezmqzqhxuernt4mjmfdrxgzgjv5uhjk24nvstqyhrwxtd2qj9teq3</author_url><provider_name>njump</provider_name><provider_url>https://yabu.me</provider_url><html>Hey nostr:nprofile1qqsdxm5qs0a8kdk6aejxew9nlx074g7cnedrjeggws0sq03p4s9khmqppemhxue69uhkummn9ekx7mp0qy2hwumn8ghj7am0deejucmpd3mxztnyv4mz7z8tsc2 if I were to try an have a promo code for products on nostr:nprofile1qqs2xugc5jyguqkj36rk0syv4tmnkjdtmtperttl7x9rqjy3ustdcvcpz4mhxue69uhhwmmwwvhxxctvwesjuer9wchszrnhwden5te0dehhxtnvdakz7zkht4n what would be the most affective way to implement that?&#xA;&#xA;Just having the person advertising the promo code tell people to put it on the comments of the order? Or is there a better way?</html></oembed>