hi experiment ,
i need to full configuration about value contract i aware about it from sap help
Value Contracts - Sales (SD-SLS) - SAP Library
i need to use this type for contract to link my customer service
can every body explain me the configuration step by step 
thanks
Asjad
Discussion locked for asking step by step procedure. OP is advised to ask specific question pertaining to the topic, instead of posting opened queries like step by step configuration steps, videos, links, etc.