gets the value of the last4ssn property . concode_field_sep String routingNumber concode_elem_sep Integer checkNumber concode_elem_sep String phoneNumber concode_elem_sep String last4SSN concode_elem_sep Boolean isAlias concode_elem_sep String accountName concode_elem_sep String accountType concode_elem_sep XMLGregorianCalendar dateOfBirth concode_elem_sep long serialVersionUID concode_elem_sep Check.AccountNumber accountNumber concode_elem_sep String value concode_field_sep void setCheckNumber concode_elem_sep XMLGregorianCalendar getDateOfBirth concode_elem_sep void setAccountNumber concode_elem_sep String getRoutingNumber concode_elem_sep String getAccountType concode_elem_sep void setAccountName concode_elem_sep Integer getCheckNumber concode_elem_sep String getAccountName concode_elem_sep String getValue concode_elem_sep void setDateOfBirth concode_elem_sep void setLast4SSN concode_elem_sep void setIsAlias concode_elem_sep void setPhoneNumber concode_elem_sep void setValue concode_elem_sep void setRoutingNumber concode_elem_sep Check.AccountNumber getAccountNumber concode_elem_sep void setAccountType concode_elem_sep String getPhoneNumber concode_elem_sep Boolean isIsAlias
String function ( ) { return last4SSN ; }