Wouldn't you be better off by writing one or two static methods or DRL functions to compute these sums? Going down from, down from, down from a fact in WM is not really a good design pattern.
-W

On 25 July 2011 17:20, pamerida <elpamm@hotmail.com> wrote:
Thanks man it works perfectly... :)
But I have another scenario where inside each SegmentGroup7 theres a
SegmentGroup14 and inside this group I have to verify a value inside another
class called GoodsItemDetails, as in my last post I can "collect" all the
occurrences with this code :

$cuscar : Cuscar(); $group7: SegmentGroup7() from $cuscar.segmentGroup7;
$group8 : SegmentGroup8() from $group7.segmentGroup8; $group14 :
SegmentGroup14() from $group8.segmentGroup14; GoodsItemDetails(c7064 == "9"
from $group14.gid );

but again I want to count the number of facts, is there a way to do this??
thanks so much in advance for your suggestions :)

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