SQL> create or replace type mytype as object (
  2    v1 integer,
  3    v2 varchar2(20)
  4    )
  5  /

Type created.

SQL> create or replace function f return mytype
  2  is
  3  begin
  4    return mytype(1,'Michel');
  5  end;
  6  /

Function created.

SQL> select f from dual;
F(V1, V2)
----------------------------------------------------------
MYTYPE(1, 'Michel')

1 row selected.