{
  "Resources": {
    "LogGroupF5B46931": {
      "Type": "AWS::Logs::LogGroup",
      "Properties": {
        "RetentionInDays": 731
      },
      "UpdateReplacePolicy": "Delete",
      "DeletionPolicy": "Delete"
    },
    "MetricFilter1B93B6E5": {
      "Type": "AWS::Logs::MetricFilter",
      "Properties": {
        "FilterPattern": "{ $.latency = \"*\" }",
        "LogGroupName": {
          "Ref": "LogGroupF5B46931"
        },
        "MetricTransformations": [
          {
            "MetricName": "Latency",
            "MetricNamespace": "MyApp",
            "MetricValue": "$.latency"
          }
        ]
      }
    },
    "alarmfrommetricfilterF546D67D": {
      "Type": "AWS::CloudWatch::Alarm",
      "Properties": {
        "ComparisonOperator": "GreaterThanOrEqualToThreshold",
        "EvaluationPeriods": 2,
        "MetricName": "Latency",
        "Namespace": "MyApp",
        "Period": 300,
        "Statistic": "Average",
        "Threshold": 100
      }
    }
  }
}