input-artifact-raw.yaml

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: input-artifact-raw-
spec:
  entrypoint: raw-contents
  templates:
  - name: raw-contents
    inputs:
      artifacts:
      - name: myfile
        path: /tmp/file
        raw:
          data: |
            this is
            the raw file
            contents
    container:
      image: alpine:latest
      command: [sh, -c]
      args: ["cat /tmp/file"]