CartLineInput object unstable 2024-01 Release candidate 2023-10 Latest 2023-07 2023-04 2023-01 2022-10 Unsupported Unstable 2024-01 Release candidate 2023-10 Latest 2023-07 2023-04 2023-01 2022-10 Unsupported Fields cartLineId (ID!) Required The ID of the cart line. quantity (Int!) Required The quantity of the cart line to be merged.The max quantity is 2000. Fields cartLineId (ID!) Required The ID of the cart line. quantity (Int!) Required The quantity of the cart line to be merged.The max quantity is 2000. Fields cartLineId (ID!) Required The ID of the cart line. quantity (Int!) Required The quantity of the cart line to be merged.The max quantity is 2000.