Simple Wizard Example

wizard.java

public class WizardExample {

    public Contact c {get; set;}
    
    public WizardExample(ApexPages.StandardController controller) {
        //reference the contact from the standardcontroller
        c = (Contact)controller.getRecord();
    }
    
    public PageReference Step1() {
        //forcing a recordtype
        RecordType r = [SELECT Id from RecordType WHERE Name = 'TestData' ];
        c.RecordTypeId = r.Id;
        return Page.StepOne;
    }
    
    public PageReference Step2() {
        //detecting a recordtype
        List<RecordType> r = [SELECT Name from RecordType WHERE ID =: c.RecordTypeId ];
        if(r.size() > 0) {
            if(c.Phone == null && r[0].Name == 'TestData') { c.Phone = '800-888-8888'; }
        }
        return Page.StepTwo;
    }
    
    public PageReference saveContact() {
        //save data
        upsert c;
        return null;
    }
  
    
    
    
}