Optional. The format of the message being sent. Used by the sending and
receiving applications to properly assemble and parse the message. Choose from the
following:
- EDIFACT
- X12
- XML
- Binary
- Plain Text
- EDI Consent
Note: If Content-Type is not specified or if multiple
payloads are attached in the message, the Content-Type is
detected based first on file content and then the file extension. Detectable
types include application/edifact,
application/edi-x12,
application/edi-tradacoms,
application/xml (text/xml),
application/pdf, application/msword,
application/x-msexcel,
application/rtf, application/zip,
image/bmp, image/gif,
image/tiff, image/jpeg,
text/plain, text/html, and
video/mpg.