snippets:

labels: &labels
  templates:  "step,workflow"

functions:
  env:
    meta:
      short: Get ENV variable
      description: Get ENV variable for the specified key. If the key doesn't correspond to any value, nil is returned
    params:
      key: 
        meta: { label: Key }
        required: true
        types:
          - { wf: String }
    labels:
      <<: *labels
    results:
      value:
        wf: Any