Add attachment to candidate

post https://api.kombo.dev/v1/ats/candidates/{candidate_id}/attachments

Uploads an attachment file for the specified candidate.

Requires the permission "Create and manage candidates and applications".

{
  "candidate_id": "GRKdd9dibYKKCrmGRSMJf3wu",
  "attachment": {
    "name": "Frank Doe CV.txt",
    "data": "SGkgdGhlcmUsIEtvbWJvIGlzIGN1cnJlbnRseSBoaXJpbmcgZW5naW5lZXJzIHRoYXQgbG92ZSB0byB3b3JrIG9uIGRldmVsb3BlciBwcm9kdWN0cy4=",
    "type": "CV",
    "content_type": "text/plain"
  }
}