failureToleranceCount property
The number of accounts, per Region, for which this operation can fail before AWS CloudFormation stops the operation in that Region. If the operation is stopped in a Region, AWS CloudFormation doesn't attempt the operation in any subsequent Regions.
Conditional: You must specify either FailureToleranceCount or
FailureTolerancePercentage (but not both).
Implementation
final int? failureToleranceCount;