Globals:
  Function:
    Layers:
    - arn:aws:lambda:us-east-1:123456789101:layer:layer1:1
    - arn:aws:lambda:us-east-1:123456789101:layer:layer2:1

# Note: there is a limit to the number of layers that a function can reference.
Resources:
  ManyLayersFunc:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python3.6
      Layers:
      - arn:aws:lambda:us-east-1:123456789101:layer:layer3:1
      - arn:aws:lambda:us-east-1:123456789101:layer:layer4:1
      - arn:aws:lambda:us-east-1:123456789101:layer:layer5:1