code: public static VerificationCreator creator(final String pathServiceSid, 
                                                final String to, 
                                                final String channel) {
          return new VerificationCreator(pathServiceSid, to, channel);
      }
docs: Create a VerificationCreator to execute create.
  
  @param pathServiceSid Service Sid.
  @param to To phonenumber
  @param channel sms or call
  @return VerificationCreator capable of executing the create