[rules-users] All the values from one list must be present in other

[Suvek]

I tried looking for similar posts but could not find any that fits the
requirements.
Really speaking this is a 2 part question.

What I need to do is compare 2 lists and ensure that all the fields inside
the reference list are present in passed in list.

following is the simplified version of test that I want to perform... 

$requiredAddressTypes : List() from [ AddressType.BUSINESS,
AddressType.FOREIGN_BUSINESS ]
$taxpayer : Taxpayer(taxpayerType == TaxpayerType.FOREIGN_BUISINESS &&
addresses.size > 0, 
        			$addresses : addresses)

1 - Based on the taxpayer type I need to ensure that ALL the
requiredAddressTypes must be present, how can I achieve this?

2 - is the this statement correct ? ($requiredAddressTypes : List() from [
AddressType.BUSINESS, AddressType.FOREIGN_BUSINESS ])



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