Chapter 16. Patterns

rule "2 unconnected patterns"
when
    Pattern1()
    Pattern2()
then
    ... // actions
end

// The above rule is internally rewritten as:

rule "2 and connected patterns"
when
    Pattern1()
    and Pattern2()
then
    ... // actions
end

rule ...
when
    $p : Person()
then
    System.out.println( "Person " + $p );
end