Attachment

{
  "id": 123,
  "fileName": "<string>",
  "size": 123
}

Uploaded file attachment usable across email templates, sequence steps, and direct emails.

integer

required

Attachment identifier — pass this in attachmentIds arrays on email-template, sequence-step, and inbox-message endpoints.

fileName

string

required

Original file name as supplied by the upload.

size

integer

required

File size in kilobytes (rounded up).