. "A constant can be: A number, such as 12 or 5. 4 A character, such as x or $ A character string, such as ???this is a string??? Therefore, the following conditions are simple rule conditions: tabl.col=5 :v1>???aaa??? :v2.a1<10.01 :v3.m( )=10 Rule Set Evaluation The rules engine evaluates rule sets based on events." . . .