ensed": null,
                "inventory": { "a1": { "name": "taco", "qty": 10, "price": 0.85 } },
                "err-msg": null
              },
              "name": "omni-trace.testing-ns/insert-coin",
              "start": 1637431413788,
              "id": "G__127",
              "end": 1637431413788
            },
            {
              "args": [
                {
                  "coins-inserted": ["quarter", "dime", "nickel", "penny"],
                  "coins-returned": [],
               