The act of giving money to a seller in exchange for goods or services rendered. An agent buys an object, product, or service from a seller for a price. Reciprocal of SellAction.TradeActionactionStatus, additionalType, agent, alternateName, description, disambiguatingDescription, endTime, error, identifier, image, instrument, location, mainEntityOfPage, name, object, participant, potentialAction, price, priceCurrency, priceSpecification, result, sameAs, seller, startTime, subjectOf, target, url, vendor, warrantyPromise