File part with multiple selectable Content-Types
POST/anything/multi-content-type
Verifies the Content-Type selector UI: when encoding.contentType is a
comma-separated list, a dropdown appears next to the file picker letting
the user choose which type to use. The code snippet and actual request
both update to reflect the selection.
Schema:
encoding:
attachment:
contentType: image/png, image/jpeg, application/octet-stream
Request
Responses
- 200
Request echoed by HTTPBin — verify the attachment Content-Type matches your selection