Update an existing invoice item.
Body
InvoiceItem object.
The ID of the additional work invoice item that was split off from this invoice item.
Whether this invoice item is additional work (meerwerk), either 'entirely' (the whole line is additional work), 'partially' (part of its quantity was split off into a separate additional work line) or empty.
The discount (korting) on this invoice item as a percentage of the price, from 0 to 100.
The IDs of this invoice item in connected third-party applications, keyed by the connection.
The identifier that links this invoice item to a price line of its sales & rental (verkoop & verhuur) source.
The ID of the invoice this invoice item is a line of, empty while it is not invoiced yet.
The ID of the grouped line on the invoice that this invoice item is combined into, empty while it is not on an invoice.
The type of the item this invoice item bills, usually 'operation' (werkzaamheid), 'vehicle' (voertuig), 'material' (artikel), 'expense' (kosten), 'user' (buitendienst medewerker), 'subuser' (ingehuurde medewerker) or 'weight_type' (weegsoort), and for surcharges 'fuel_surcharge' or 'pricing_zone'.
The ID of the grouped line on the cost overview that this invoice item is combined into, if any.
The unit price of this invoice item in euros, excluding VAT and before discount; multiply it by the quantity to get the line total.
The cost price (kostprijs) per unit of this invoice item in euros, excluding VAT. Returned as a numeric string, e.g. "12.50".
The type of the source this invoice item was created from, either 'quote' (offerte), 'task' (bon), 'component' (verkoop & verhuur), 'weighing' (weging), 'client' (klant) or 'order' (project).
Whether this invoice item only substantiates (onderbouwing) an installment and is therefore not billed itself.
The ID of the hired-in employee (ingehuurde medewerker) who carried out the work of this invoice item.
The ID of the user (buitendienst medewerker) who carried out the work of this invoice item.
Antwoord
Successful operation.