Property url

Inside a link property, you can assign an url. The link property url contains the actual link address of the link. Thus, the internet address the user is redirected to after clicking the link.

{
    "subject" : "link example",
    "from" : "info@example.com",
    "content" : {
        "blocks" : [ {
            "type" : "button",
            "label" : "Click me",
            "link" : {
                "url" : "http://www.dustsckr2000.com/models/P2000"
            }
        } ]
    }
}