BPMN Inclusive vs Exclusive Gateway – Real Examples Explained Clearly
In BPMN , choosing the right gateway is critical for correct process behavior. One of the most common design mistakes is confusing the Exclusive Gateway (XOR) with the Inclusive Gateway (OR) . This blog explains: The difference between Inclusive and Exclusive gateways Real-world examples When to use which Common production mistakes to avoid Examples are based on Camunda 7 implementations but apply to all BPMN engines. 1️⃣ Exclusive Gateway (XOR) – Only ONE Path 🔹 Definition An Exclusive Gateway allows only one outgoing path to be taken, based on conditions. Conditions are evaluated top to bottom The first true condition wins Other paths are ignored 🧩 Real Example: Loan Approval Process Scenario A loan application can be: Approved Rejected Only one outcome is possible . Gateway logic ${loanAmount <= 50000} → Approve ${loanAmount > 50000} → Reject ✅ Result: Exactly one path is executed. ❌ Common Mistake (XOR) ${conditionA} ${conditionB} If both are true , only...