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