# init(probability:_:) Creates an apply randomly augmentation. ``` init(probability: Double = 0.5, @AugmentationBuilder _ augmentation: () -> RandomTransformer) where Input == RandomTransformer.Input ``` ## Parameters `probability` The probability of applying the transformation. Must be greater than or equal to 0 and less than or equal to 1, the default value is 0.5. `augmentation` The transformer to apply randomly. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)