CTA (Array Object)

Short for call to action, a device designed to prompt an immediate response from a user

[
    {
        "type": "external_web_link",
        "link": "URL_GOES_HERE",
        "label": "More Details",
        "cta_type": "primary"
    },
    {
        "type": "external_web_link",
        "link": "URL_GOES_HERE",
        "label": "Terms & Conditions",
        "cta_type": "secondary"
    }
]