Configuration of Dates tab in the Delivery header

Dears,
Can you counsel connected however to configure Dates tab successful the Delivery header? Example connected the screenshot beneath (found connected the web), successful my strategy the array is bare and Insert Row fastener inactive.

I've already noticed a fewer threads wherever specified a question has been asked, but without a circumstantial answer, lone 1 was close: "You request to configure events successful the IMG and delegate them to the transportation type" but... wherever precisely successful the IMG?

Thanks successful beforehand for the details