sample.json

{ "sections" : [
  { "type": "selector", "values": ["Include", "Exclude", "Promote", "Demote"], "id": "action" },
  { "type": "text", "values": ["products that have", { "id": "article", "value": "a" }]},
  { "type": "selector", "default": "    ", "values": "getFields", "onChange": { "function": "updateArticle", "params": ["#article"]}, "id": "field" },
  { "type": "text", "values": ["field with value matching"]},
  { "type": "selector", "values": [
    { "value": "value", "action": "textfield", "id": "fieldValue"},
    { "value": "value with condition", "sections": [
      { "type": "textfield", "id": "fieldValue", "onChange": {"function": "autoComplete", "params": ["#field"]} },
      { "type": "text", "values": ["when current product's"] },
      { "type": "selector", "values": "getFields", "default": "    ", "id": "anchorField" },
      { "type": "text", "values": "is"},
      { "type": "textfield", "id": "anchorFieldValue", "onChange": {"function": "autoComplete", "params": ["#anchorField"]}}
    ], "id": "fieldValue"},
    { "value": "current product's", "sections": [{ "type": "text", "values": ["field value"] }] }
  ]}
]}