Code to update customer phone number on AX2012 R2

This is code to  update customer phone number on AX2012 R2. You can check this code through simple small job.

 DirPartyPhoneNoView PhoneNo;  
 ContactPerson contactperson;  
 CustTable custTable;  
 custTable = CustTable::Find("C45102");  
 PhoneNo = PhoneNo::find(custTable.Party);  
 PhoneNo.Locator = '6567767657';  
 PhoneNo.Type = LogisticsElectronicAddressMethodType::Phone;  
 PhoneNo.IsPrimary = true;  
 contactPersonEntity.createOrUpdatePhoneNo(PhoneNo);