public function usingVendorId($vendorId, $hash)
    {
        $this->vendorId = $vendorId;
        $this->hashKey = $hash;

        return $this;
    }
public function usingVendorId($vendorId, $hash)
    {
        $this->vendorId = $vendorId;
        $this->hashKey = $hash;

        return $this;
    }
public function usingVendorId ( $ vendorId , $ hash ) { $ this -> vendorId = $ vendorId ; $ this -> hashKey = $ hash ; return $ this ; }
Set up the vendor details.

@param $vendorId
@param $hash
@return $this
Set up the vendor details .