Hierarchy of email address construction
This topic shows you how the information is derived for the email address that is used in the <Contact> section of the PunchOutSetupRequest. Punchout-enabled vendors can see the name and email address of the individual who is performing the punchout activity.
Although this email address may not be the actual email address, the email address that is constructed satisfies the syntactical requirements of the PunchOutSetupRequest.