sample_slack_payload.ps1

$payload = @"
{
    "text": "Danny Torrence left a 1 star review for your property.",
    "blocks": [
        {
            "type": "section",
            "text": {
                "type": "mrkdwn",
                "text": "Danny Torrence left the following review for your property:"
            }
        },
        {
            "type": "section",
            "block_id": "section567",
            "text": {
                "type": "mrkdwn",
                "text": "<https://example.com|Overlook Hotel> \n :star: \n Doors had too many axe holes, guest in room 237 was far too rowdy, whole place felt stuck in the 1920s."
            },
            "accessory": {
                "type": "image",
                "image_url": "https://is5-ssl.mzstatic.com/image/thumb/Purple3/v4/d3/72/5c/d3725c8f-c642-5d69-1904-aa36e4297885/source/256x256bb.jpg",
                "alt_text": "Haunted hotel image"
            }
        },
        {
            "type": "section",
            "block_id": "section789",
            "fields": [
                {
                    "type": "mrkdwn",
                    "text": "*Average Rating*\n1.0"
                }
            ]
        }
    ]
}
"@

$uri = "http://localhost:7071/api/HttpTrigger"
Invoke-WebRequest -Uri $uri -Method Post -Body $payload -ContentType "application/json"