[outputs.ph_up_down]
quantity = { amount=1, unit="Liter" }

[inputs]
capital={quantity={amount=26.48, unit="USDollar"}}

[dependencies]
operator = {skills=["vendor interaction"]}

[action.purchase]
vendor = [
    "https://www.ebay.com/itm/262030464639",
    "https://www.ebay.com/itm/261285768017",
]