Example for the team :)

serverless.yml

service: serverless-event-bridge
variablesResolutionMode: 20210326
provider:
  name: aws
  runtime: nodejs14.x
  lambdaHashingVersion: 20201221
  memorySize: 128
  stage: ${opt:stage, 'dev'}
  region: ${opt:region, 'eu-west-1'}
  eventBridge:
    useCloudFormation: true
  apiGateway:
    shouldStartNameWithService: true
  iam:
    role:
      statements:
        - Effect: 'Allow'
          Action:
            - 'events:*'
          Resource:
            - 'arn:aws:events:regionhere:accountidhere:event-bus/serverless-event-bridge' # add the region and accountId here
plugins:
  - serverless-webpack # you wont need this - I was using typescript
functions:
  createOrder:
    handler: src/orders/create.handler # this would create an order Ryan via a post on APIG
    timeout: 3
    events:
      - http:
          path: orders
          method: post
  createFulfilment:
    handler: src/fulfilment/create.handler
    events:
      - eventBridge:
          eventBus: serverless-event-bridge # this lambda listens to the event with source order.create
          pattern:
            source:
              - order.create
  createPayment:
    handler: src/payment/create.handler
    events:
      - eventBridge:
          eventBus: serverless-event-bridge # this lambda listens to the event with source order.create
          pattern:
            source:
              - order.create
resources:
  Resources:
    DLQ:
      Type: AWS::SQS::Queue
      Properties:
        QueueName: serverless-event-bridge-dlq # this will create you a DLQ - hook it up above
custom:
  # this is the webpack config for the build # ignore this ryan
  webpack:
    webpackConfig: 'webpack.config.js'
    includeModules:
      forceExclude:
        - aws-sdk