There are hero card or thumbnail card examples where you can render a button to open a URL like below
msg.attachments([
new builder.ThumbnailCard(session)
.title('Brian Mathew')
.subtitle('CIO, Logistics')
.text('San Francisco Bay Area - 30 Mutual Connections')
.images([
builder.CardImage.create(session, 'https://media.licdn.com/dms/image/C5103AQHt4Rp2MT0quA/profile-displayphoto-shrink_800_800/0?e=1527022800&v=alpha&t=gQbe7EXQX1S3wYr8QpCjXqeWyKzM0vQWE0M51WGL8n4')
])
.buttons([
builder.CardAction.openUrl(session, 'https://google.com', 'More Details')
])
However, in my use case, I do not want to show any button for an explicit call and simply let user take to the url. Take it like saying Open google.com. I could not find a way to do that plz advise
As said by @JasonSowers, for obvious security reasons, this is not possible.
Or it would be the spammest feature ever!