title includes “world” should be valid.
check the notes on the nightlies page… that has all the valid field names and operators.
basically three different kinds of fields: date kind, int kind, and string kind.
for string kind:
fieldname = “string value”
fieldname includes “string value”
for int fields:
fieldname = integer, fieldname < integer, fieldname > integer, fieldname = integer
for date fields, more complex.. check the ngihtly notes… something like:
fieldname > 1 week before today