Currently, five alert destinations are supported: Slack, Email, Mattermost, HipChat,ChatWork, and Webhook. (PagerDuty as an alert destination is currently in the development stage, and should be released before this book is published.)
In order to view the available alert destinations, click on Settings and choose Alert Destinations:
When clicking on the + New Alert Destination button, you will be redirected to a screen where you will define alert destinations:
When creating a destination, you will have to fill several fields such as destination name (to distinguish between several destinations), recipients (in case of email), WebHook URL (in case of Slack / Mattermost / Webhook / HipChat), Room ID and API Token in case of ChatWork and username/password when needed.