Tells the delegate that authentication has begun for the specified operation and constraint.
SDKs
- iOS 13.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 13.0+
Framework
- Crypto
Token Kit
Declaration
optional func tokenSession(_ session: TKTokenParameters
sessionThe token session.
operationThe kind of operation.
constraintThe constraint to be satisfied.
errorIf an error occurred, this method should return
niland populate this parameter with an object containing details of the error. The error object should have adomainequal toTKErrorand aDomain codeequal to a value defined by theTKErrorenumeration..Code
Return Value
The resulting context of the operation, or nil if an error occurred.
If you return an instance of a subclass of TKToken that is provided by the CryptoTokenKit framework, the system will first fill in the context-specific properties, such as the password, before calling the finish method on the context.