EmailMessageAttachment

An EmailMessageAttachment object is one attachment of an EmailMessage. The whole message is downloaded when it is read, so every attachment comes with its decoded bytes.

Attributes

filename (String | null)

The attachment's file name, or null when the message did not give one.

mimeType (String)

The attachment's MIME type, for example application/pdf.

disposition (String | null)

'attachment', 'inline', or null when the message did not say.

contentId (String) (optional)

The Content-ID, without angle brackets. Inline images are referenced from the HTML body as cid: URLs with this value.

related (Boolean) (optional)

true for parts referenced from the HTML body, such as inline images.

size (Number)

The byte length of content.

content (ArrayBuffer)

The decoded attachment bytes. Wrap them in a Blob to save or display them:

new Blob([attachment.content], { type: attachment.mimeType })