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insights-webhooks-alerts.md

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Configure webhooks on Azure metric alerts | Microsoft Docs
Reroute Azure alerts to other non-Azure systems.
johnkemnetz
carmonm
monitoring-and-diagnostics
monitoring-and-diagnostics
8b3ae540-1d19-4f3d-a635-376042f8a5bb
monitoring-and-diagnostics
na
na
na
article
04/03/2017
johnkem

Configure a webhook on an Azure metric alert

Webhooks allow you to route an Azure alert notification to other systems for post-processing or custom actions. You can use a webhook on an alert to route it to services that send SMS, log bugs, notify a team via chat/messaging services, or do any number of other actions. This article describes how to set a webhook on an Azure metric alert and what the payload for the HTTP POST to a webhook looks like. For information on the setup and schema for an Azure Activity Log alert (alert on events), see this page instead.

Azure alerts HTTP POST the alert contents in JSON format, schema defined below, to a webhook URI that you provide when creating the alert. This URI must be a valid HTTP or HTTPS endpoint. Azure posts one entry per request when an alert is activated.

Configuring webhooks via the portal

You can add or update the webhook URI in the Create/Update Alerts screen in the portal.

Add an alert Rule

You can also configure an alert to post to a webhook URI using the Azure PowerShell Cmdlets, Cross-Platform CLI, or Azure Monitor REST API.

Authenticating the webhook

The webhook can authenticate using token-based authorization. The webhook URI is saved with a token ID, eg. https://mysamplealert/webcallback?tokenid=sometokenid&someparameter=somevalue

Payload schema

The POST operation contains the following JSON payload and schema for all metric-based alerts.

{
"status": "Activated",
"context": {
            "timestamp": "2015-08-14T22:26:41.9975398Z",
            "id": "/subscriptions/s1/resourceGroups/useast/providers/microsoft.insights/alertrules/ruleName1",
            "name": "ruleName1",
            "description": "some description",
            "conditionType": "Metric",
            "condition": {
                        "metricName": "Requests",
                        "metricUnit": "Count",
                        "metricValue": "10",
                        "threshold": "10",
                        "windowSize": "15",
                        "timeAggregation": "Average",
                        "operator": "GreaterThanOrEqual"
                },
            "subscriptionId": "s1",
            "resourceGroupName": "useast",                                
            "resourceName": "mysite1",
            "resourceType": "microsoft.foo/sites",
            "resourceId": "/subscriptions/s1/resourceGroups/useast/providers/microsoft.foo/sites/mysite1",
            "resourceRegion": "centralus",
            "portalLink": "https://portal.azure.com/#resource/subscriptions/s1/resourceGroups/useast/providers/microsoft.foo/sites/mysite1"
},
"properties": {
              "key1": "value1",
              "key2": "value2"
              }
}
Field Mandatory Fixed Set of Values Notes
status Y “Activated”, “Resolved” Status for the alert based off of the conditions you have set.
context Y The alert context.
timestamp Y The time at which the alert was triggered.
id Y Every alert rule has a unique id.
name Y The alert name.
description Y Description of the alert.
conditionType Y “Metric”, “Event” Two types of alerts are supported. One based on a metric condition and the other based on an event in the Activity Log. Use this value to check if the alert is based on metric or event.
condition Y The specific fields to check for based on the conditionType.
metricName for Metric alerts The name of the metric that defines what the rule monitors.
metricUnit for Metric alerts "Bytes", "BytesPerSecond", "Count", "CountPerSecond", "Percent", "Seconds" The unit allowed in the metric. Allowed values are listed here.
metricValue for Metric alerts The actual value of the metric that caused the alert.
threshold for Metric alerts The threshold value at which the alert is activated.
windowSize for Metric alerts The period of time that is used to monitor alert activity based on the threshold. Must be between 5 minutes and 1 day. ISO 8601 duration format.
timeAggregation for Metric alerts "Average", "Last", "Maximum", "Minimum", "None", "Total" How the data that is collected should be combined over time. The default value is Average. Allowed values are listed here.
operator for Metric alerts The operator used to compare the current metric data to the set threshold.
subscriptionId Y Azure subscription ID.
resourceGroupName Y Name of the resource group for the impacted resource.
resourceName Y Resource name of the impacted resource.
resourceType Y Resource type of the impacted resource.
resourceId Y Resource ID of the impacted resource.
resourceRegion Y Region or location of the impacted resource.
portalLink Y Direct link to the portal resource summary page.
properties N Optional Set of <Key, Value> pairs (i.e. Dictionary<String, String>) that includes details about the event. The properties field is optional. In a custom UI or Logic app-based workflow, users can enter key/values that can be passed via the payload. The alternate way to pass custom properties back to the webhook is via the webhook uri itself (as query parameters)

Note

The properties field can only be set using the Azure Monitor REST API.

Next steps