"mrkdwn", "text": "Book author 1, author 2", "verbatim": true } ] }, { "type": "section", "text": { "text": "*<https://example.com/|Book title>*\n\nLorem, ipsum dolor sit amet consectetur...", "type": "mrkdwn", "verbatim": true }, "accessory": { "type": "image", "alt_text": "book cover", "image_url": "https://bit.ly/2Q8xdv4" } }, { "type": "section", "fields": [ { "type": "mrkdwn", "text": "*Category*\nX. Book category", 11 11 #TinySpec2019 #spcTokyo #TinySpec2019 #spcTokyo