• if you use input control of type “multi select list of values”, you can use parameter of class “java.util.Collection”. When you set this class you will see new item “nested type name”. Put here what type you need. Like “java.lang.String” or “java.lang.Integer”
  • if you want to set default values for collection use it like this: Arrays.asList(“1″,”2″,”3″,”4”)
  • If you want to use this parameter in “print when expression” use expression like
    $P{collection_parameter}.contains( "1" )
  • if you want to use in query try
    where $X{IN, column, collection_parameter} 

    or ${NOTIN, …