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"Triggered" means that a message is received on the topic that the rule is subscribed to. So the FROM is a match. Hence your intuition is correct: even if the WHERE clause evaluates to false, it's still a trigger because the matching topic caused an evaluation to occur. And you will be metered for at least one action:
https://aws.amazon.com/iot-core/pricing/additional-details/#Rules_Engine
A rule that is triggered will always meter, at minimum, one rule and one action. For example, a 5kb message that triggers one rule will meter one rule and one action even if it does not invoke any corresponding actions.
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- 已提問 6 個月前
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