Signal (workflow)
An event or message that triggers a specific action in an automation system. The difference between a signal and a webhook: a signal is internal (sent between components of your own system); a webhook comes from an external platform.
Expert insight
A signal-based coordination pattern (one part of a system notifying another that a condition has changed, rather than that part continuously checking) reduces unnecessary polling overhead, but it requires the signal to actually be reliably delivered, if the signal-passing mechanism itself can silently fail, the receiving workflow waits indefinitely with no fallback.
How PURIST uses this
This concept is built into every automation we deploy.
When PURIST builds your automation, Signal (workflow) is not an optional consideration it is part of the production standard. Our workflows are tested against edge cases, monitored 24/7, and built to handle what happens when things don't go as expected.
Every client workflow we deploy in the Architecture category is designed with this principle in mind from day one not added as an afterthought.
Complexity level
Requires some familiarity with automation concepts.
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