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Add a section to a multipart/formdata HTTP POST.

Component Version macOS Windows Linux Server iOS SDK
CURL 2.6 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "CURL.FormAddKeyFileContentType"; curl; name; Path { ; ContentType; ContentHeaders } )   More


Parameter Description Example Flags
curl The CURL session handle. $curl
name The name of the form field. "city"
Path Native file path. "/Users/cs/Desktop/test.txt"
ContentType The content type for this file. "text/plain" Optional
ContentHeaders Available in MBS FileMaker Plugin 10.3 or newer.
List of headers to include.
"Content-Id: 12345" Optional


Returns "OK" or error code.


Add a section to a multipart/formdata HTTP POST.
This adds a file with the given key name into the form.
Please call CURL.FormFinish after you added all your fields and before you call CURL.Perform.
Starting with version 10.3, this is the same function as CURL.FormAddKeyFile.

This function requires a native path. Use Path.FileMakerPathToNativePath to convert a FileMaker path to a native path if required. If you like to have the user choose the path, you can use FileDialog functions.
For Server be aware that server has limited permissions and may not be able to access all files on a computer.


Add image file to form:

MBS("CURL.FormAddKeyFileContentType"; $curl; "Attachment"; "/Users/cs/desktop/Paris.jpg"; "image/jpeg")

See also

Blog Entries

This function checks for a license.

Created 18th August 2014, last changed 14th May 2020

CURL.FormAddKeyFile - CURL.FormAddKeyText