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Adds an attachment to the email based on a text.

Component Version macOS Windows Linux Server iOS SDK
SendMail 6.5 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "SendMail.AddAttachmentText"; EmailID; Text; Encoding { ; Name; MimeType; InlineID; IsBase64; Method } )   More


Parameter Description Example Flags
EmailID The email reference number obtained using SendMail.CreateEmail function. $EmailID
Text The text to use for the attachment. "Hello World"
Encoding The text encoding for text parameter.
Default is UTF-8.
Possible encoding names: ANSI, ISO-8859-1, Latin1, Mac, Native, UTF-8, DOS, Hex, Base64 or Windows. More listed in the FAQ.
Name The name for the attachment.
If empty, version 6.2 or newer uses file name from file path.
"sample.txt" Optional
MimeType The mime type to use. e.g. "application/pdf" for PDF files. If missing, we use "application/octet-stream".
Version 6.2 or newer detects mime type from file extension if needed.
"application/octet-stream" Optional
InlineID Available in MBS FileMaker Plugin 7.3 or newer.
The content ID for inline images (CID).
Empty text or no parameter gives regular attachment.
IsBase64 Available in MBS FileMaker Plugin 8.2 or newer.
Whether text is already base64 encoded.
Default is 0, so we encode it.
Pass 1 if you already encoded the text yourself.
0 Optional
Method The method for the content-type parameter.
Currently only for sending calendar invitiations.
"REQUEST" Optional


Returns OK or error.


Adds an attachment to the email based on a text.
Attachments over 100 MB are not supported.
You can use Text.FileExtensionToMimeType to find the mime type for a file extension.
You can use AddAttachment several times to add several attachments.

Broken in 8.1 or older where you need to do Base64 encoding and fixed in 8.2 to work correctly.


Adds a text attachment:

MBS( "SendMail.AddAttachmentText"; $email; "Hello World"; "UTF-8"; "test.txt"; "text/plain" )

See also

Release notes

Blog Entries

This function checks for a license.

Created 1st October 2016, last changed 30th March 2021

SendMail.AddAttachmentFile - SendMail.AddBCC