SecKeychainCallbackInfo
Information about a keychain event that keychain services deliver to your app via a callback function.
Declaration
struct SecKeychainCallbackInfoOverview
This structure contains information about the keychain event of which your application wants to be notified. Keychain services pass a pointer to this structure in the info parameter of your callback function. For information on how to write a keychain event callback function, see SecKeychainCallback.