Railo 4.2 Reference
Choose a function:


Iterates over every entry of the collection and calls the closure with every element.
      This function will reduce the array to a single value and will return the value.


collectionreduce(object collection,function closure,[object initalValue]):any


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
collection object  Yes collection to iterate  
closure function  Yes function/closure that implements the following constructor [function(... depending on the given collection ...):any].  
initalValue object  No inital value passed as part of the first closure call