Explanation of the event

The addSessionLine event occurs whenever a new article line is added to the current session.

addSessionLine A new article is added

Request
This event occurs when article number 1 is added.

POST https://www.example.com/webhooks/addSessionLine

X-Mplus-Subscription-Id: example_subscription
X-Mplus-Signature: ...
Content-Type: application/json
Accept: application/json

{
    "addSessionLine": {
        "line": {
            "articleNumber": 1,
            "lineId": "c686f63d-46a7-498e-b421-c72e5cb7136b",
            "priceIncl": 2.50,
            "quantity": 1,
            "text": "Coffee"
        }
    },
    "event": {
        "eventBlocking": true,
        "eventCounter": 1,
        "eventTimestamp": "2017-08-09T16:07:33.964+02:00"
    },
    "sender": {
        "branchNumber": 1,
        "workplaceNumber": 1
    },
    "session": {
        "sessionId": "5eea25d4-4188-43b8-9a66-8086561d590c",
        "lines": [
            {
                "lineId": "c686f63d-46a7-498e-b421-c72e5cb7136b",
                "articleNumber": 1,
                "priceIncl": 2.50,
                "quantity": 1,
                "text": "Coffee"
            }
        ]
    }
}

Property	Type	Explanation
addSessionLine.line.lineId	uuid	The new line’s UUID.
addSessionLine.line.articleNumber	bigint	The new line’s MplusKASSA article number.
addSessionLine.line.priceIncl	number	The new line’s price including VAT.
addSessionLine.line.quantity	number	The new line’s quantity of items.
addSessionLine.line.text	string	The new line’s textual description.

Response
You can apply an external discount to the line that was just added or to any other line that is present in the session.

HTTP/1.1 200 OK
 
X-Mplus-Signature: ...
Content-Type: application/json

{
    "lineChanges": [
        {
            "lineId": "c686f63d-46a7-498e-b421-c72e5cb7136b",
            "externalDiscount": {
                "discountId": "12551430-7ce9-11e7-bb31-be2e44b06b34",
                "discountDescription": "Sample Voucher",
                "discountPercentage": 100
            }
        }
    ]
}

Property	Type	Explanation
lineChanges.lineId	uuid	The UUID of the session line that you want to change.
lineChanges.externalDiscount.discountId	uuid	This is a UUID you generate and store to remember that you applied this discount.
lineChanges.externalDiscount.discountPercentage	number	The discount percentage that you want to apply to the line.
lineChanges.externalDiscount.discountDescription	text	A descriptive label for the discount.