Verifier to be used for getting outh tokens.
Verification URL and User-Code will be passed to it respectively. (if passed, else default verifier will be used)
Basically,
By default, it just prints the code and waits for input.
Now a callable can be passed to catch those values and manage as user fits, for example showing in a UI.
Verifier to be used for getting outh tokens. Verification URL and User-Code will be passed to it respectively. (if passed, else default verifier will be used)
Basically,