Hi everyone
i need help.
I try to link a customizable product with a simple one programmaticaly. I've created a module to do this with rest api.
My workflow are this:
1) Create a configurable product: done
2) Create a simple product: done
3) link the products ... not done 
if someone can help me in chat ... you tell me what chat you should use and i give you my contact.
Thank you all