App direct access of verification code of message

[Gajjala Mallikarjun Reddy]

Hi this is urgent work for me . In whats app , when the new user registering the app , the sms verification code is sending through sms. At here the registration number of app and the mobile number of App device is same, it is internally checking that verification code and continue to the next step without allowing the user to enter verification code . How to do this functionality ? Plz help me in this .