How to insert into table type variables

hi all,
how to assingn values to table type variable, i am getting error.
declare
dept1 dept%rowtype;
begin
dept1:=(100,'SHIPPING','HYDERABAD');
end;
ERROR at line 4:
ORA-06550: line 4, column 8:
PLS-00382: expression is of wrong type
regards,
Sri Ram.

You can do like this
declare
  dept1 dept%rowtype;
begin
  dept1.deptno := 10;
  dept1.dname := 'IT';
end;
/

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