--- title: Slack Notification Message and Mentions --- # Slack Notification Message & Mentions Enter the exact Slack notification that will be posted when the alert fires. • Message text: The custom text of your alert (e.g. “Error rate above 90% for service X”). • @mentions: Include any user or team pings using Slack’s mention syntax (e.g. <@U12345678> for a specific user, for a user group). For more info, check out the [Slack mention syntax docs](https://api.slack.com/reference/surfaces/formatting#mentioning-users). [![Example Slack Notification Message](../../assets/images/alerts_slack_notification_mention@2x.webp "Example Slack Notification Message"){ srcset="../../assets/images/alerts_slack_notification_mention.webp 1x, ../../assets/images/alerts_slack_notification_mention@2x.webp 2x" }](../../assets/images/alerts_slack_notification_mention@3x.webp)