如何重置primefaces向导的步骤？

i use primefaces <p:wizard> and i registiration step by step.if registiration is end succesfully,wizard's step is first but if i go on for new record or user,Wizard can not add new record.İt is updating previous record/user instead.How do I add new records in series? Another problem; when it returned to the first step,it can not to reset the field.how can i do that? its submit button's code; and i registiration