Apart from including the invitation code, there are no specific requirements for the content to be included.
If you're unsure about what to include, please consider adding the following points:
Mention that the article is about AutoReserve (do not include promotions for other platforms or similar services).
Include an explanation of the reservation process.
Include instructions on how to register for the affiliate program.
Please note that if the invitation code is missing, applications from your article will not count towards rewards.