#EventBridge Event

The EventBridge makes it possible to connect applications using data from external sources (e.g. own applications, SaaS) or AWS services. The eventBridge event types helps setting up AWS Lambda functions to react to events coming in via the EventBridge.

#Setting up a scheduled event

functions:
  myFunction:
    handler: index.handler
    events:
      - eventBridge:
          schedule: rate(10 minutes)
          input:
            key1: value1

#Setting up event pattern matching

functions:
  myFunction:
    handler: index.handler
    events:
      - eventBridge:
          pattern:
            source:
              - aws.cloudformation
            detail-type:
              - AWS API Call via CloudTrail
            detail:
              eventSource:
                - cloudformation.amazonaws.com

#Using a different Event Bus

The eventBridge event source will use the default event bus (the one AWS uses internally) when none is explicitly specified.

The Serverless Framework will create the eventBus for you if you just provide a name for it. It will re-use an existing event bus if you provide an event bus arn.

NOTE: The Serverless Framework won't manage (e.g. create or remove) the event bus if it's provided via an arn.

#Creating an event bus

functions:
  myFunction:
    handler: index.handler
    events:
      - eventBridge:
          eventBus: custom-saas-events
          pattern:
            source:
              - saas.external

#Re-using an existing event bus

- eventBridge:
    eventBus: arn:aws:events:us-east-1:12345:event-bus/custom-private-events
    pattern:
      source:
        - custom.private
    inputTransformer:
      inputPathsMap:
        eventTime: '$.time'
      inputTemplate: '{"time": <eventTime>, "key1": "value1"}'

#Using different input types

You can specify different input types which will produce different input values ​​for the Lambda function.

functions:
  myFunction:
    handler: index.handler
    events:
      - eventBridge:
          pattern:
            source:
              - 'aws.ec2'
            detail-type:
              - 'EC2 Instance State-change Notification'
            detail:
              state:
                - pending
          input:
            key1: value1
            key2: value2
            stageParams:
              stage: dev
      - eventBridge:
          pattern:
            source:
              - 'aws.ec2'
            detail-type:
              - 'EC2 Instance State-change Notification'
            detail:
              state:
                - pending
          inputPath: '$.stageVariables'
      - eventBridge:
          pattern:
            source:
              - 'aws.ec2'
            detail-type:
              - 'EC2 Instance State-change Notification'
            detail:
              state:
                - pending
          inputTransformer:
            inputPathsMap:
              eventTime: '$.time'
            inputTemplate: '{"time": <eventTime>, "key1": "value1"}'