inputs:
  key:
    type: object
outputs:
  output:
    type: string
    reference: ${print_val.output.value}
nodes:
- name: print_val
  use_variants: true
  type: python
  source:
    type: code
    path: print_val.py
node_variants:
  print_val:
    default_variant_id: variant1
    variants:
      variant1:
        node:
          type: python
          source:
            type: code
            path: print_val.py
          inputs:
            key: ${inputs.key}
            conn: mock_custom_connection