MnemonicCompletionBlock

typedef void(^MnemonicCompletionBlock)(NSString * _Nullable mnemonic, NSError * _Nullable error)

The type of block invoked after attempting to reveal user's mnemonic phrase. Used in reveal mnemonic call revealMnemonic on User instance.

Check if error is not nil to see if there was an issue authenticating. See Handling Errors for details.