variables. Omit a key the template does not need: a missing or extra header or button is rejected synchronously with template_component_mismatch.{
"header": {
"type": "image",
"link": "https://store.example.com/p/1847.jpg"
},
"body": [
"Maria",
"1847"
],
"buttons": [
{
"index": 0,
"url_suffix": "tracking/1847"
},
{
"index": 1,
"coupon_code": "COMEBACK10"
},
{
"index": 2,
"payload": "confirm_1847"
}
]
}