In all likelihood, you will have to provide a comprehensive chronological narrative. The first time I did one I spent at least two hours working on it. Then there is the survey. If it requires comments, you can pull them from your narrative. If the shop gives you permission to record the shop, then audio record it. If not, but they do not say you can't, if your state laws allow it, do it.
You will be providing details on each area you go through, host, server, management, others, maybe a bar visit as well. You will have to report wait and service timings. Most like objective food evaluations. They may allow subjective comments, make sure which they allow and where.
My posts are solely based on my opinions and for my entertainment, contact a professional if you need real advice.
When you get in debt you become a slave. - Andrew Jackson