Create an alarm on any metric query to send email to a specified user when the metric query is triggered. 
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On the Clusters list page, select the cluster that you want to work with. If you need help finding the list page or the cluster, see Listing Clusters in a Compartment.
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To create an alarm, complete one of the following:
- To create a cluster metric alarm, select Cluster metrics under Resources.
or
 
- To create a node metric alarm, select the node you want to create the alarm for.
 
 
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In the query window that you want to create the alarm for, select Options and then select Create an alarm on this query.
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Fill in the alarm detail fields. See Alarm Details.