PL/SQL - FUNCTION Return Multiple Column

create or replace function get_emp_addr(p_vendor_id NUMBER,p_vendor_site_id NUMBER)
  return varchar2
  as
   
  l_ret_address  VARCHAR2(32000);

begin
      select address_line1 ||','||chr(10)|| nvl2(address_line2, address_line2||','||chr(10),NULL)||city||','||nvl2(state, state||','||chr(10),NULL)||
       nvl2(province, province||','||chr(10),NULL)|| ftt.TERRITORY_SHORT_NAME ||','||assa.zip
       INTO  l_ret_address
    from    ap_supplier_sites_all assa,ap_suppliers aps , fnd_territories_tl ftt
      where assa.vendor_id = aps.vendor_id   
      and  ftt.territory_code = assa.country
      and aps.vendor_id = p_vendor_id
      and assa.vendor_site_id = p_vendor_site_id ;
   
      return l_ret_address;
  end get_emp_addr;


PACKAGE SPEC :
  CREATE OR REPLACE package APPS.mutl_get_emp_address_Pkg
  is
  function get_emp_addr(p_vendor_id NUMBER,p_vendor_site_id NUMBER)
  return varchar2;
  End ;

PACKAGE BODY :
   CREATE OR REPLACE package body APPS.mutl_get_emp_address_Pkg
  is
  function get_emp_addr(p_vendor_id NUMBER,p_vendor_site_id NUMBER)
  return varchar2
  as
   
  l_ret_address  VARCHAR2(32000);

begin
      select address_line1 ||','||chr(10)|| nvl2(address_line2, address_line2||','||chr(10),NULL)||city||','||nvl2(state, state||','||chr(10),NULL)||
       nvl2(province, province||','||chr(10),NULL)|| ftt.TERRITORY_SHORT_NAME ||','||assa.zip
       INTO  l_ret_address
    from    ap_supplier_sites_all assa,ap_suppliers aps , fnd_territories_tl ftt
      where assa.vendor_id = aps.vendor_id   
      and  ftt.territory_code (+) = assa.country
      and aps.vendor_id = p_vendor_id
      and assa.vendor_site_id = p_vendor_site_id ;
   
      return l_ret_address;
  end get_emp_addr;
end mutl_get_emp_address_pkg;

RUN the package :
   DECLARE
  RetVal varchar2(32000);
  P_VENDOR_ID NUMBER;
  P_VENDOR_SITE_ID NUMBER;
BEGIN
  P_VENDOR_ID := 1887660;
  p_vendor_site_id :=127676;

  RetVal := APPS.GET_EMP_ADDRESS_PKG.GET_EMP_LIST ( P_VENDOR_ID, p_vendor_site_id );
  dbms_output.put_line(substr(retval,1,255));
  COMMIT;
END;