{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-config/refs/heads/main/json-structure/config-source-detail-structure.json",
  "name": "SourceDetail",
  "description": "Provides the source and the message types that trigger Config to evaluate your Amazon Web Services resources against a rule. It also provides the frequency with which you want Config to run evaluations for the rule if the trigger type is periodic. You can specify the parameter values for <code>SourceDetail</code> only for custom rules. ",
  "type": "object",
  "properties": {
    "EventSource": {
      "allOf": [
        {
          "$ref": "#/components/schemas/EventSource"
        },
        {
          "description": "The source of the event, such as an Amazon Web Services service, that triggers Config to evaluate your Amazon Web Services resources."
        }
      ]
    },
    "MessageType": {
      "allOf": [
        {
          "$ref": "#/components/schemas/MessageType"
        },
        {
          "description": "<p>The type of notification that triggers Config to run an evaluation for a rule. You can specify the following notification types:</p> <ul> <li> <p> <code>ConfigurationItemChangeNotification</code> - Triggers an evaluation when Config delivers a configuration item as a result of a resource change.</p> </li> <li> <p> <code>OversizedConfigurationItemChangeNotification</code> - Triggers an evaluation when Config delivers an oversized configuration item. Config may generate this notification type when a resource changes and the notification exceeds the maximum size allowed by Amazon SNS.</p> </li> <li> <p> <code>ScheduledNotification</code> - Triggers a periodic evaluation at the frequency specified for <code>MaximumExecutionFrequency</code>.</p> </li> <li> <p> <code>ConfigurationSnapshotDeliveryCompleted</code> - Triggers a periodic evaluation when Config delivers a configuration snapshot.</p> </li> </ul> <p>If you want your custom rule to be triggered by configuration changes, specify two SourceDetail objects, one for <code>ConfigurationItemChangeNotification</code> and one for <code>OversizedConfigurationItemChangeNotification</code>.</p>"
        }
      ]
    },
    "MaximumExecutionFrequency": {
      "allOf": [
        {
          "$ref": "#/components/schemas/MaximumExecutionFrequency"
        },
        {
          "description": "<p>The frequency at which you want Config to run evaluations for a custom rule with a periodic trigger. If you specify a value for <code>MaximumExecutionFrequency</code>, then <code>MessageType</code> must use the <code>ScheduledNotification</code> value.</p> <note> <p>By default, rules with a periodic trigger are evaluated every 24 hours. To change the frequency, specify a valid value for the <code>MaximumExecutionFrequency</code> parameter.</p> <p>Based on the valid value you choose, Config runs evaluations once for each valid value. For example, if you choose <code>Three_Hours</code>, Config runs evaluations once every three hours. In this case, <code>Three_Hours</code> is the frequency of this rule. </p> </note>"
        }
      ]
    }
  }
}