Unity Pro XL - how to pass parameters to Subroutine?

I have a small piece of code (4 lines) that I need to repeat many times over.

How do I create a subroutine with parameters?

I have many subroutines but none that I can pass parameters to.

Thanks!

Create a DFB (defined function block). The inputs to the DFB are your input parameters and the outputs will be the result