{
    "type": "pages",
    "headline": "Messages",
    "pages": [{  
            "items": [{
                    "type": "button",                                
                    "layout": "0,0,3,3",                  
                    "icon": "msx-green:check-circle",
                    "label": "Success",
                    "action": "success:This is a success message."
                }, {
                    "type": "button",                                
                    "layout": "3,0,3,3",                  
                    "icon": "msx-blue:info",
                    "label": "Info",
                    "action": "info:This is an info message."
                }, {
                    "type": "button",                                
                    "layout": "6,0,3,3",                   
                    "icon": "msx-yellow:warning",
                    "label": "Warning",
                    "action": "warn:This is a warning message."
                }, {
                    "type": "button",                                
                    "layout": "9,0,3,3",                  
                    "icon": "msx-red:error",
                    "label": "Error",
                    "action": "error:This is an error message."
                }]
        }]
}