# getObjectValue(_:for:range:) Returns by reference a date representation of a specified string and its date range, as well as a Boolean value that indicates whether the system can parse the string. ``` func getObjectValue(_ obj: AutoreleasingUnsafeMutablePointer?, for string: String, range rangep: UnsafeMutablePointer?) throws ``` ## Parameters `obj` If the receiver is able to parse `string`, upon return contains a date representation of `string`. `string` The string to parse. `rangep` If the receiver is able to parse `string`, upon return contains the range of `string` used to create the date. ## Discussion > Handling Errors in Swift: > In Swift, this method returns `Void` and is marked with the `throws` keyword to indicate that it throws an error in cases of failure. > > You call this method in a `try` expression and handle any errors in the `catch` clauses of a `do` statement, as described in [Error Handling](https://docs.swift.org/swift-book/LanguageGuide/ErrorHandling.html) in [The Swift Programming Language](https://docs.swift.org/swift-book/) and `About Imported Cocoa Error Parameters`. ## See Also [`- stringForObjectValue:`](/documentation/Foundation/Formatter/string(for:)) The default implementation of this method raises an exception. --- 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)