Schedule
Key Schedule in Scheduled Number Is Inside refers to an optional object of type Schedule that implies the dates d₁ , d₂ , ... , dᵣ where the predicate functions ƒ₁ , ƒ₂ , ... , ƒᵣ apply.
This entry acts in the same fashion as that for the key Schedule in Scheduled Real Trigger
Look at that key's description for more details.
The dates d₁ , d₂ , ... , dᵣ are the schedule's adjusted dates, i.e. the dates associated with the key _Adjusted Dates of the object here.