Debugging node child processes

Hi

I have a nodejs server .

From the server I Fork a new child process (node also that points to a js file.

If I run my server in debug mode console.log and breakpoints do not work in the forked process.

If I run (not in debug) then the console.log does work on the forked process.

I want to debug my forked process and put breakpoints  how can I do it.

Thanks.