PunchoutShippingAddressesRequestContext reference
This article provides reference material about PunchoutShippingAddressesRequestContext record.
PunchoutShippingAddressesRequestContext record contains information needed to handle the shipping addresses request.
It is available as a parameter in the OnShippingAddressesRequestReceivedAsync method of punchout extension.
Properties

Request
The current HTTP request.
Response
The HTTP response.
GetShippingAddressesAsync
The delegate to retrieve shipping addresses. Extension should call this method and pass an identifier of customer which shipping addresses should be retrieved from the ERP and the method returns an enumerable of instances of PunchoutShippingAddress.