AWS Cloudwatch Alarm

AWS

For Lambda:

MyNewAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      AlarmName: "AlarmNameGoesHere"
      AlarmDescription: "Alarm if lambda errors out too many times"
      Namespace: "AWS/Lambda"
      MetricName: "Errors"
      Dimensions:
      - Name: "FunctionName"
        Value: "NameOfYourLambdaFunction"
      Statistic: "Sum"
      ComparisonOperator: "GreaterThanThreshold"
      Threshold: 0
      EvaluationPeriods: 5
      Period: 60
      TreatMissingData: "breaching"