Das ist vollkommen egal:

Attachment (ATTACHMENT)
Specifies the attachments to send with this e-mail message. An attachment is an Integrated File System (IFS) file to be attached to this e-mail message. In order to attach a file the Internet Assigned Numbers Authority (IANA) registered MIME content type must be provided, as well as the desired transfer method. You may have up to ten attachments.

Element 1: File Name
Specifies the absolute path of the Integrated File System (IFS) file name to attach to the document. Up to 200 characters can be specified.