gistfile1.txt

source:
  plugin: url
  data_fetcher_plugin: http
  data_parser_plugin: json
  urls: http://localhost/sites/default/files/json-files/foo.json
  item_selector: 'xpath/selector/here'
  fields:
    -
      name: machine_name
      label: 'Unique position identifier'
      selector: unique_filename
  ids:
    machine_name:
      type: string