post
https://example.com/app-api/campaign//campaign-discount
A reason for a campaign discount is to e.g. be able to collect all flight discounts to a single column in finance documents.
Returns a list of errors in the input data. For this call the following violation codes can be expected errors:
450ae979-312c-45b9-b61a-dfcde745b8e7- Cannot create campaign discount with an external id that is already in use. Campaign discount external id: "{{ campaignDiscountExternalId }}" is already in use in campaign with external id "{{ campaignExternalId }}". Use update instead or use a different external id.0e31a231-9575-4430-8ab2-937bbd9e771d- Flight with external ID '{{ flightExternalId }}' is already partly invoiced.