anchor.diff:  
     # A unique identifier for the client performing the mutation.
     clientMutationId: String
  +  note: String
     orderId: ID!
   }
   
  
positive.code: 
    # A unique identifier for the client performing the mutation.
    clientMutationId: String
    offerId: ID!
  }
  
  
negative.code: }
  
  type Mutation {
    addInitialOfferToOrder(input: AddInitialOfferToOrderInput!): AddInitialOfferToOrderPayload
    approveOrder(input: ApproveOrderInput!): ApproveOrderPayload
    buyerAcceptOffer(input: BuyerAcceptOfferInput!): BuyerAcceptOfferPayload
    buyerCounterOffer(input: BuyerCounterOfferInput!): BuyerCounterOfferPayload
    buyerRejectOffer(input: BuyerRejectOfferInput!): BuyerRejectOfferPayload
    confirmPickup(input: ConfirmPickupInput!): ConfirmPickupPayload
    createOfferOrderWithArtwork(input: CreateOfferOrderWithArtworkInput!): CreateOfferOrderWithArtworkPayload
    createOrderWithArtwork(input: CreateOrderWithArtworkInput!): CreateOrderWithArtworkPayload
  
    # Fulfill an order with one Fulfillment, it sets this fulfillment to each line item in order
    fulfillAtOnce(input: FulfillAtOnceInput!): FulfillAtOncePayload
  