{

"ResourceSpecificationVersion": "1.0.0",
"ResourceType": {
  "AWS::Logs::LogGroup": {
    "Attributes": {
      "Arn": {
        "PrimitiveType": "String"
      }
    },
    "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-loggroup.html",
    "Properties": {
      "LogGroupName": {
        "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-loggroup.html#cfn-cwl-loggroup-loggroupname",
        "PrimitiveType": "String",
        "Required": false,
        "UpdateType": "Immutable"
      },
      "RetentionInDays": {
        "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-loggroup.html#cfn-cwl-loggroup-retentionindays",
        "PrimitiveType": "Integer",
        "Required": false,
        "UpdateType": "Mutable"
      }
    }
  }
}

}