Define alert criteria

task brazil Updated Oct 23, 2026 1 min read define-alert-metric-criteria.md

Specify alert metric criteria by choosing alert severity, defining thresholds, and specifying conditions for when the alert must be triggered.

Before you begin

Role required: sn_dex.admin

Procedure

In the Alert severity field, select a severity for the alert.
Define the thresholds for the alert.

The predetermined metric types are based on the configuration item (CI).
Add another alert severity level by selecting Add another alert severity.
Select the Set the threshold for users (optional) check box and define the criteria based on the number of impacted users to trigger the alert.
In the Alert when section, perform one of the following steps.
- Select a time period for the All sampled values must breach the criteria in the following time period option.
- Select a time period for the Average of sampled values in the following time period must breach the criteria option.
Define the conditions for when to clear the alert, under Clear the alert when.

The condition fields are enabled when you create at least one condition.
Select Next.

What to do next

For the next, optional step, see Add an alert action.

Keywords metric alert criteriaalert severityalert thresholdsnetwork stability metricsalert conditions

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---
title: Define alert criteria
description: Specify alert metric criteria by choosing alert severity, defining thresholds, and specifying conditions for when the alert must be triggered.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/it-operations-management/digital-end-user-experience-dex/define-alert-metric-criteria.html
release: brazil
product: Digital End-User Experience \(DEX\)
classification: digital-end-user-experience-dex
topic_type: task
last_updated: "2026-10-23"
reading_time_minutes: 1
keywords: [metric alert criteria, alert severity, alert thresholds, network stability metrics, alert conditions]
breadcrumb: [DEX metric rule creation, Managing alert rules, Configure, Digital End-User Experience, IT Operations Management]
---

# Define alert criteria

Specify alert metric criteria by choosing alert severity, defining thresholds, and specifying conditions for when the alert must be triggered.

## Before you begin

Role required: sn\_dex.admin

## Procedure

1.  In the **Alert severity** field, select a severity for the alert.

2.  Define the thresholds for the alert.

    The predetermined metric types are based on the configuration item \(CI\).

3.  Add another alert severity level by selecting **Add another alert severity**.

4.  Select the **Set the threshold for users \(optional\)** check box and define the criteria based on the number of impacted users to trigger the alert.

5.  In the Alert when section, perform one of the following steps.

    -   Select a time period for the **All sampled values must breach the criteria in the following time period** option.
    -   Select a time period for the **Average of sampled values in the following time period must breach the criteria** option.
6.  Define the conditions for when to clear the alert, under **Clear the alert when**.

    The condition fields are enabled when you create at least one condition.

7.  Select **Next**.


## What to do next

For the next, optional step, see [Add an alert action](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/digital-end-user-experience-dex/add-alert-action.md).