.olproduct.json, made by Builder → Export product. Creates the whole product in one go: inputs, items, prices, Creo actions, rules.
Export the assembly with Ci-Model → Feature Visit JSON, then drop the JSON file here, or get the model open in SolidWorks or Inventor on a PC with a Ci-Agent. CADinstruct Configure proposes the inputs and what each choice does in Creo. You review it, then create the product.