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BPM Events User's Guide
The rule language : Rule structure : Relational expressions and operands : Relational expression
Relational expression
Simple boolean expressions are called relational expressions. They are generally built using relational binary operators and are of the form: (operand1 <relational operator> operand2). Relational operators are:
*= (equality)
*!= (inequality)
*> (greater)
*< (less)
*>= (greater or equal)
*<= (less or equal)