foo.yaml

policies:
  - name: SendNotification
    resource: aws.ecr
    mode:
      type: cloudtrail
      environment:
        Variables:
          C7N_SKIP_EVTERR: no
      role: Jak-cloud-custodian-role
      events:
       - source: ecr.amazonaws.com
         event: DeleteRepository
         ids: requestParamaters.repositoryName
       
   filters:
     - repositoryName: myRepository

   actions:
     - type: notify
       transport: 
         type: sqs
         queue: my_queue_url
       to:
         - event-user
         - resource-creator
         - email@address