asAttributeOrNull
Casts this RuleStringToEvaluate as a Attribute and retrieves its aws.sdk.kotlin.services.mailmanager.model.RuleStringEmailAttribute value. Returns null if the RuleStringToEvaluate is not a Attribute.
Casts this RuleStringToEvaluate as a Attribute and retrieves its aws.sdk.kotlin.services.mailmanager.model.RuleStringEmailAttribute value. Returns null if the RuleStringToEvaluate is not a Attribute.