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What is Amazon EventBridge?
This revision card explains What is Amazon EventBridge? It starts from the need that many apps need “when X happens, do Y” without hard-wiring every producer to every consumer. It describes eventBridge is a serverless event bus — producers put events, rules match, targets run (Lambda, SQS, Step Functions…). The how-to section covers how to create a bus (or use default) , then write a rule with event pattern , then set a target , then give EventBridge invoke rights. An example on the card is putEvents with detail-type OrderPlaced; matching rule invokes the pack Lambda.
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Why do we need it?
Many apps need “when X happens, do Y” without hard-wiring every producer to every consumer.
What is it?
EventBridge is a serverless event bus: producers put events, rules match, targets run (Lambda, SQS, Step Functions…).
event bus
How to do it
Create a bus (or use default) → write a rule with event pattern → set a target → give EventBridge invoke rights.
Example
PutEvents with detail-type OrderPlaced; matching rule invokes the pack Lambda.