--- AWSTemplateFormatVersion: '2010-09-09' Description: Shows how to create a Slack Notification Channel Resources: MySampleChannel: Type: NewRelic::Alert::NotificationChannel Properties: AccountId: 3504143 Channel: Slack: Name: "My Slack Notification Channel" TeamChannel: "#some-test-channel" # The URL of the Slack. See https://api.slack.com/messaging/webhooks#create_a_webhook Url: https://hooks.slack.com/services/XXXXXXXXX/YYYYYYYYYYY/ZZZZZZZZZZZZZZZZZZZZZZZZ