Which one will give me a voucher for the exam as well is this a voucher I have to pay for after the

Which one will give me a voucher for the exam as well is this a voucher I have to pay for after the course?
Description: Looking to partake in the certification: Certified Implementation Specialist (IT Service Management).

Which one of the following courses would have a free exam voucher at the end:

https://nowlearning.servicenow.com/lxp/en/it-service-management/it-service-management-itsm-fundament...

https://nowlearning.servicenow.com/lxp/en/it-service-management/it-service-management-itsm-implement...

Viewing the link of (IT Service Management (ITSM) Implementation On Demand) the syllabus states:
Certified Implementation Specialist – IT Service Management Voucher Info
5 minutes
Congratulations on completing IT Service Management (ITSM) Implementation On Demand! Please read the information below to understand the voucher terms and conditions as well as how to receive your certification exam voucher. NOTE: Voucher may require payment.

Question(s):
1) Which one will give me the voucher
2) Do I have to purchase the voucher after completion of the course or it is a free code to take the exam free