Botkit reply to Facebook with attachments (from https://github.com/howdyai/botkit#botreply)

botkit_facebook_attachments.js

bot.reply(message, {
    attachment: {
        'type':'template',
        'payload':{
             'template_type':'generic',
             'elements':[
               {
                 'title':'Classic White T-Shirt',
                 'image_url':'http://petersapparel.parseapp.com/img/item100-thumb.png',
                 'subtitle':'Soft white cotton t-shirt is back in style',
                 'buttons':[
                   {
                     'type':'web_url',
                     'url':'https://petersapparel.parseapp.com/view_item?item_id=100',
                     'title':'View Item'
                   },
                   {
                     'type':'web_url',
                     'url':'https://petersapparel.parseapp.com/buy_item?item_id=100',
                     'title':'Buy Item'
                   },
                   {
                     'type':'postback',
                     'title':'Bookmark Item',
                     'payload':'USER_DEFINED_PAYLOAD_FOR_ITEM100'
                   }
                 ]
               },
               {
                 'title':'Classic Grey T-Shirt',
                 'image_url':'http://petersapparel.parseapp.com/img/item101-thumb.png',
                 'subtitle':'Soft gray cotton t-shirt is back in style',
                 'buttons':[
                   {
                     'type':'web_url',
                     'url':'https://petersapparel.parseapp.com/view_item?item_id=101',
                     'title':'View Item'
                   },
                   {
                     'type':'web_url',
                     'url':'https://petersapparel.parseapp.com/buy_item?item_id=101',
                     'title':'Buy Item'
                   },
                   {
                     'type':'postback',
                     'title':'Bookmark Item',
                     'payload':'USER_DEFINED_PAYLOAD_FOR_ITEM101'
                   }
                 ]
               }
             ]
           }
    }
});