It's almost working. I have:
class com.dotmarketing.util.json.JSONObject {"type":"dotContent","attrs":{"data":{"hostName":"default","modDate":"2022-10-17 09:43:25.965","publishDate":"2022-10-17 09:43:25.965","language":"en-US","title":"Test button","type":"default","contentTypeIcon":"event_note","baseType":"CONTENT","inode":"7ba550d8-cfa6-459d-9838-2cb28d367f33","archived":false,"titleDotcmsInternal":"Test button","host":"8a7d5e23-da1e-420a-b4f0-471e7da8ea2d","working":true,"locked":false,"stInode":"ac4c1b1b-6911-414b-90d3-2b4e713e039b","contentType":"Button","live":true,"owner":"dotcms.org.1","identifier":"191db649cfbb117995ce9d4c7cc0923c","languageId":1,"__icon__":"contentIcon","url":"/content.8409808a-6fea-4fd3-9b51-2f84e89d3024","target":"_blank","titleImage":"TITLE_IMAGE_NOT_FOUND","modUserName":"Admin User","hasLiveVersion":true,"folder":"SYSTEM_FOLDER","hasTitleImage":false,"sortOrder":0,"modUser":"dotcms.org.1"}}} Button:
$content.linkText5. And a last thing: I noticed that when updating the content and/or velocity that the page isn't always updated and requires a cache flush of republish. Is this a known issue?