Basic button template for a Facebook JSON advert for Messenger

FacebookButtonAdvert.json

{
	"attachment": {
		"type": "template",
		"payload": {
			"template_type": "generic",
			"elements": [{
				"title": "Choose your car",
				"buttons": [{
						"type": "postback",
						"title": "Mini",
						"payload": "block name: Mini"
					},
					{
						"type": "postback",
						"title": "BMW",
						"payload": "block name: BMW"
					}
				]
			}]
		}
	}
}