Hi,

You can use a argument as a out or inout variable and by default objects r passed by reference. And also u dont specify it to be explicitly as IN bcoz its default.

The situation may arise when u call a method say add() which takes two parameters and another for the result,
then for eg,

int x = 2;
int y = 3;
int result = 0;

add(x,y,result);

But in my IDL it will be like,

add(int,int,int OUT).

Kesavan.