facing issue in orderEditAddLineItemDiscount mutation

[constacloudinno]

mutation

mutation orderEditAddLineItemDiscount($id: ID!, $lineItemId: ID!, $discount: OrderEditAppliedDiscountInput!) {

  orderEditAddLineItemDiscount(id: $id, lineItemId: $lineItemId, discount: $discount) {

    addedDiscountStagedChange {

      id

    }

    calculatedLineItem {

      id

    }

    calculatedOrder {

      id

    }

    userErrors {

      field

      message

    }

  }

}

getting error

 {

                    "field": [

                        "lineItemId"

                    ],

                    "message": "Only items added during the current edit may be discounted."

                }

[sillycube]

The line item id you inputted is not correct. If you add a new variant to the order, then use the calculatedLineItemID returned from the response. It should be ok. 

The graphQL sequence:

1. OrderEditBegin
2. Add a new variant
3. Add discount to the new variant
4. CommitEdit