Send notification from Devops to Teams

send-notification.ps1

$teamsNotification = @{
    '@type' = 'MessageCard'
    '@context'= 'http://schema.org/extensions'
    'themeColor' = '0076D7'
    'summary' = 'Successful build notification'
    'sections' = @(
        @{
        'activityTitle' = "$(Build.DefinitionName)"
        'activitySubtitle' = "image tag $(Build.BuildNumber) deployed to registry"
        })
}

$json = $teamsNotification | ConvertTo-Json

$params = @{  
    Uri         = 'https://outlook.office.com/webhook/your_webhook_magic_link'
    Method      = 'POST'
    Body        = $json
    ContentType = 'application/json'
}

Invoke-RestMethod @params