Let's assume that our parameter is defined like:
[ IN (union, contains/any) | OUT]
[status.code | limit]
status.code = A, B
result = 100, 200
status.code = C, E, A
result = 100, 300, 400
Input pack: C, E, A
Parameter will find all the values for which matcher gives value „TRUE”.
This method works even for long IN packages, remember to set macher as UNION. it’s better to use „contains/*” then „in” type of matcher.