How to customize module in Xcos?

Dears,

Would you advice where I can find an example (step by step) to build a Xcos module per my own specification?

From UM, I only understood it can be built (programmed) from C, Sci,etc., but I still don’t understand how-to.

Thanks.

Best regards,
Wang RD

see https://www.youtube.com/watch?v=KgBD52cRNJk

I’ll watch it when I can access youtube. Thanks.
Best regards,
Wang RD