Narrow the event trigger

ProblemEvent triggers fire on a small set of integrations and the failure mode is greed: every new message is the most expensive instruction in the product.

TechniqueBind the trigger to a named channel plus a specific condition, state exactly what to do, and forbid posting back without approval.

Why it worksThe trigger condition is the only volume control on an event-driven routine.

When to useEvery event trigger.