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Adds an attachment to the email based on a container field.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
SendMail 4.3 Yes Yes Yes Yes Yes
MBS( "SendMail.AddAttachmentContainer"; EmailID; Container { ; Name; MimeType; InlineID } )   More


Parameter Description Example value
EmailID The email reference number obtained using SendMail.CreateEmail function. $EmailID
Container The container to attach to email. Attachment::Container
Name Optional
The name for the attachment.
If empty, version 6.2 or newer uses file name from container.
MimeType Optional
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.
InlineID Optional
The content ID for inline images (CID).
Empty text or no parameter gives regular attachment.


Returns OK or error.


Adds an attachment to the email based on a container field.
Version 5 of MBS Plugin can encode file name for preserving non ASCII characters. Still for compatibility it is recommended to use simply ASCII names.
You can use Text.FileExtensionToMimeType to find the mime type for a file extension.
You can use AddAttachment functions several times to add several attachments.

If your Container is already Base64 encoded text, you can use the SendMail.AddAttachmentText function with 1 for IsBase64 parameter.

For InlineID:
If you like to use inline images, please check your html for references to image files. Please add all the image files as attachments with an InlineID, e.g. pass the file name as InlineID.

e.g. in you html you may reference background-3.jpg in the body tag:

<body background="background-3.jpg">

Add an attachment named background-3.jpg (name doesn't matter) with InlineID background-3.jpg and replace the background-3.jpg in the html with cid:background-3.jpg so the email viewer will lookup the attachment with that id to display it there.


Add attachment:

Set Variable [$r; Value:MBS("SendMail.AddAttachmentContainer"; $EmailID; Attachment::Container; Attachment::Name; Attachment::Type)]

See also

Example Databases

Blog Entries

Created 3th September 2014, last changed 10th May 2018

SendCommand   -   SendMail.AddAttachmentFile

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