descendant(matchingIdentifierPath:completion:)

Finds the context with the given identifier path relative to this context.

Declaration

func descendant(matchingIdentifierPath identifierPath: [String], completion: @escaping  @Sendable (CLSContext?, (any Error)?) -> Void)

func descendant(matchingIdentifierPath identifierPath: [String]) async throws -> CLSContext

Parameters

identifierPath:
The identifier path of the context to find, relative to the current context.
completion:
A closure the method calls with the found context, or nil if none could be found, and an error indicating the reason for failure, if any.

Mentioned in

Discussion

important:

You can call this method from synchronous code using a completion handler, as shown on this page, or you can call it as an asynchronous method that has the following declaration:

func descendant(matchingIdentifierPath identifierPath: [String]) async throws -> CLSContext

For information about concurrency and asynchronous code in Swift, see Calling Objective-C APIs Asynchronously.