Answer:

Setting up Slack notifications for your cron jobs is easy. Here are the steps it will take:

  • In the cron job creating/editing form -> tab "Notifications" -> "Slack", choose the notification timings and the notifying sensitivity,
  • following the guide at Slack to get a URL (with a format of https://hooks.slack.com/services/xxx/yyy/zzz), and paste this URL into the "Slack URL" field. The Slack notification part is done.

Below is a screenshot for Slack notification interface:

Slack Notifications for Cron Job