field, an operator, and a value, all three as strings. Write "2" for a stay length, "2026-01-01" for a date, and an empty string for the operators that take no value.
Operators
On a number field,
+ and - return the same guests as > and <.
In the tables below, date operators stands for =, !=, >, <, &=, &<%, and &>%, and text operators for =, !=, F, !F, %, and !%. With = and !=, a date is written YYYY-MM-DD.
Guest fields
Guest fields behind a feature
Booking fields
bookingarrival is the booking window: the number of days between the booking date and the arrival. On bookingdate, > and < take a plain date rather than a day keyword.