[rules-users] "extends" in rules

[Chandana Pingle]

Hi,

I found an example on using "extends" to extend a rule from another rule.
Using extends would only include the WHEN side of the rule.

I want to use the variable defined in the parent rule in sub rule
,something like below example,how do i do that?

rule A
when
    $a:String( )
    eval($a=="abc")
then
    do something
end

rule B extends A
when
   $b:String( )
   $c:SomeClass()
then
   $c.someMethod($a,$b) //i am not able to use $a here
   end


Any suggestions?

Thanks
Chandana