AWS::Config::ConfigRule SourceDetail

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Provides the source and the message types that trigger AWS Config to evaluate your AWS resources against a rule. It also provides the frequency with which you want AWS Config to run evaluations for the rule if the trigger type is periodic. You can specify the parameter values for SourceDetail only for custom rules.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "EventSource" : String,
  "MaximumExecutionFrequency" : String,
  "MessageType" : String
}

YAML

  EventSource: String
  MaximumExecutionFrequency: String
  MessageType: String

Properties

EventSource

The source of the event, such as an AWS service, that triggers AWS Config to evaluate your AWS resources.

Required: Yes

Type: String

Allowed values: aws.config

Update requires: No interruption

MaximumExecutionFrequency

The frequency at which you want AWS Config to run evaluations for a custom rule with a periodic trigger. If you specify a value for MaximumExecutionFrequency, then MessageType must use the ScheduledNotification value.

Note

By default, rules with a periodic trigger are evaluated every 24 hours. To change the frequency, specify a valid value for the MaximumExecutionFrequency parameter.

Based on the valid value you choose, AWS Config runs evaluations once for each valid value. For example, if you choose Three_Hours, AWS Config runs evaluations once every three hours. In this case, Three_Hours is the frequency of this rule.

Required: No

Type: String

Allowed values: One_Hour | Three_Hours | Six_Hours | Twelve_Hours | TwentyFour_Hours

Update requires: No interruption

MessageType

The type of notification that triggers AWS Config to run an evaluation for a rule. You can specify the following notification types:

• ConfigurationItemChangeNotification - Triggers an evaluation when AWS Config delivers a configuration item as a result of a resource change.

• OversizedConfigurationItemChangeNotification - Triggers an evaluation when AWS Config delivers an oversized configuration item. AWS Config may generate this notification type when a resource changes and the notification exceeds the maximum size allowed by Amazon SNS.

• ScheduledNotification - Triggers a periodic evaluation at the frequency specified for MaximumExecutionFrequency.

• ConfigurationSnapshotDeliveryCompleted - Triggers a periodic evaluation when AWS Config delivers a configuration snapshot.

If you want your custom rule to be triggered by configuration changes, specify two SourceDetail objects, one for ConfigurationItemChangeNotification and one for OversizedConfigurationItemChangeNotification.

Required: Yes

Type: String

Allowed values: ConfigurationItemChangeNotification | ConfigurationSnapshotDeliveryCompleted | ScheduledNotification | OversizedConfigurationItemChangeNotification

Update requires: No interruption