teams_message_card

{
    "@type": "MessageCard",
    "@context": "http://schema.org/extensions",
    "themeColor": "0076D7",
    "summary": "Oozie co-ordinators have been scheduled",
    "sections": [{
        "activityTitle": "Oozie co-ordinators have been scheduled",
        "activitySubtitle": "",
        "activityImage": "https://cwiki.apache.org/confluence/download/attachments/30737784/oozie_47x200.png?version=1&modificationDate=1349284899000&api=v29",
        "facts": [{
            "name": "COORDINATOR_START",
            "value": "2018-05-17T00:00Z"
        }, {
            "name": "COORDINATOR_END",
            "value": "2018-10-17T00:00"
        }],
        "markdown": true
    }],
    "potentialAction": [{
        "@type": "OpenUri",
        "name": "View Build",
        "targets": [
            { "os": "default", "uri": "https://rharshad.com/microsoft-teams-webhook-integration" }
        ]
    }]
}