How to do it...

  1. In the CloudWatch console, go to the Alarms section:
  1. Click Create Alarm to start the wizard:
  1. Select the metric you are interested in alerting on. In this case, we will choose By Function Name under Lambda Metrics:
  1. Select the specific metric. You can filter by any of the values in the table. In this case, we will select Errors and click Next:
  1. Define the alarm, giving at least a name and a threshold. In this case, we ...

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