curl --request POST \
  --url https://studio.edgeimpulse.com/v1/api/organizations/{organizationId}/data/{dataId}/add \
  --header 'Content-Type: multipart/form-data' \
  --header 'x-api-key: <api-key>' \
  --form 'files[]=<string>' \
  --form files[].items='@example-file'

{
  "success": true,
  "error": "<string>"
}