[rules-users] decision table 'not exists'

[Mark Proctor]

On 21/09/2011 20:41, hmoazed wrote:
> I need to have a rule in a decision table that fires if there is no object in
> working memory that matches the given conditions.
>
> I have no trouble saying "is there any object that matches" using "exists"
> keyword, but I can't find any syntax that works for saying "not exists" in a
> decision table.
'not'

Mark
>
> Thanks in advance for your help!
>
> -H
>
>
>
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