Property  Handler
              1 2 3 4 ...
    ========  ===========
       A      a   b
       B
       C          c
      ...

##</code><code>##

    Handler  Firing condition
    =======  ================
       1     a(A)
       2     ...
       3     b(A) || c(C)
      ...

##</code><code>##

    Handler                 Firing condition
    =======                 ===================
    Page("Jim")             a(A)      
    Email("foo-alert@...")  b(A) || c(C, "foo")
    Email("bar-alert@...")  b(A) || c(C, "bar")