Vendor Warranty Claim Process in Customer Service

Hi Gurus,

I want know about warranty claim process in sap customer services,

1) Vendor warranty claim process

2) Equipment warranty claim process

1) How the vendor warranty claim process will happen in customer services, what and all document we need to generate during the claim process

2) During the warranty company giving the services to customer at free of cost, but company need to claim that services charge from principal means another company, how the process will happen for creating document what we need to do configuration things.

Thanks you