The captcha challenge delegate which will be called by the underlying framework when captcha challenge is required during the user registration.
This is supported in case of SAP Mobile Platform, enterprise edition, cloud version onboarding only.
-(IBAction)buttonsPressed:(UIButton*)button{ [SMPUserManager setCaptchaChallengeDelegate:self]; SMPUserManager* userManager = [SMPUserManager initializeWithConnection:clientConn]; } -(NSString*)didReceiveCaptchaChallenge:base64ImageString { // Return text String input from user. }