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The SOAP Client tool can be configured to send attachments send attachments using MTOM along with the request SOAP message. For more information, see see Misc Options.
You can attach binary or XML files to the SOAP Client and Messaging Client tools with the Attachments Tool. For more information, see Attachments Tool.
The Attachment Handler tool can be used in conjunction with a SOAP Client to extract and validate incoming attachments from a response SOAP message. For more information on configuring the Attachment Handler tool, see Attachment Handler.