gets the value of the accountnumber property . concode_field_sep List<Status> subscriptionStatus concode_elem_sep String actionCode concode_elem_sep long serialVersionUID concode_elem_sep String id concode_elem_sep String accountNumber concode_elem_sep String msisdn concode_elem_sep XMLGregorianCalendar activationDate concode_elem_sep List<ObjectKey> key concode_elem_sep DatePeriod contractPeriod concode_field_sep void setActivationDate concode_elem_sep List<ObjectKey> getKey concode_elem_sep String getActionCode concode_elem_sep void setAccountNumber concode_elem_sep XMLGregorianCalendar getActivationDate concode_elem_sep String getId concode_elem_sep List<Status> getSubscriptionStatus concode_elem_sep void setId concode_elem_sep String getMSISDN concode_elem_sep void setActionCode concode_elem_sep void setMSISDN concode_elem_sep DatePeriod getContractPeriod concode_elem_sep void setContractPeriod
String function ( ) { return accountNumber ; }