# decodePredicateExpression(forKey:input:predicateConfiguration:) ``` mutating func decodePredicateExpression(forKey key: KeyedDecodingContainer.Key, input: repeat (each Input).Type, predicateConfiguration: PredicateCodableConfiguration) throws -> (expression: any PredicateExpression, variable: (repeat PredicateExpressions.Variable)) ``` --- 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)