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A rollback trigger AWS CloudFormation monitors during creation and updating of stacks. If any of the alarms you specify goes to ALERT state during the stack operation or within the specified monitoring period afterwards, CloudFormation rolls back the entire stack operation.
public class RollbackTrigger
The RollbackTrigger type exposes the following members
Supported in: 1.3
Supported in: 4.5, 4.0, 3.5
Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms