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# Alert notifications
# Paging and notifications
GitLab can react to alerts triggered from your applications. When an alert is
triggered in GitLab by [managed-Prometheus](../../user/project/integrations/prometheus.md#managed-prometheus-on-kubernetes)
or triggered using an external source and received with an integration, it's
important for a responder to be notified.
Responders can receive notifications using the methods described on this page.
When there is a new alert or incident, it is important for a responder to be notified
immediately so they can triage and respond to the problem. Responders can receive
notifications using the methods described on this page.
## Slack notifications
> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/216326) in GitLab 13.1.
You can be alerted by a Slack message when a new alert has been triggered.
For setup information, see the [Slack Notifications Service docs](../../user/project/integrations/slack.md).
Responders can be paged via Slack using the
[Slack Notifications Service](../../user/project/integrations/slack.md), which you
can configure for new alerts and new incidents. After configuring, responders
receive a **single** page via Slack. To set up Slack notifications on your mobile
device, make sure to enable notifications for the Slack app on your phone so
you never miss a page.
## Email notifications
If a project has been [configured to create incidents for triggered alerts](incidents.md#configure-incidents),
projects members with the _Owner_ or _Maintainer_ role will be sent an email
notification. To send additional email notifications to project members with the
Developer role:
Email notifications are available in projects that have been
[configured to create incidents automatically](incidents.md#configure-incidents)
for triggered alerts. Project members with the **Owner** or **Maintainer** roles are
sent an email notification automatically. (This is not configurable.) To optionally
send additional email notifications to project members with the **Developer** role:
