I have an object coming in which contains a collection of id's. I want to
verify these id's are in another collection. I'm looking for something like
collection is a subset of another collection. any ideas??
zips below is a collection, i want to verify that each zip is in $e1.
rule "example"
when
e1: Set() from RefData.getConstantValues()
e2: Example( zips not in $e1)
then
error()
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