Need to know what information is contained in a PunchOutSetupRequest (POSR) sent from Ariba OnDemand (Ariba Procure-to-Pay, Ariba Procure-to-Order, Ariba Procurement Content).

Example POSR:

<?xml version="1.0"?>
<!DOCTYPE cXML SYSTEM "http://xml.cxml.org/schemas/cXML/1.2.023/cXML.dtd">
<cXML payloadID="XXXXXXXXXXXXXXXXXX.XXXXXXXXXXXXXXXXXX@XXXXXXXXX.snv.ariba.com" timestamp="2013-06-04T13:01:50-07:00" xml:lang="en_US">
<Header>
<From>
<Credential domain="NetworkId">
<Identity>AN01XXXXXXXXX-T</Identity>
</Credential>
</From>
<To>
<Credential domain="buyersystemid">
<Identity>XXXXXXXXX</Identity>
</Credential>
<Credential domain="networkid">
<Identity>AN01XXXXXXXXX-T</Identity>
</Credential>
<Credential domain="duns">
<Identity>XXXXXXXXX</Identity>
</Credential>
</To>
<Sender>
<Credential domain="NetworkId">
<Identity>AN01XXXXXXXXX-T</Identity>
<SharedSecret>XXXXXXXXX</SharedSecret>
</Credential>
<UserAgent>Buyer 11s2</UserAgent>
</Sender>
</Header>
<Request>
<PunchOutSetupRequest operation="create">
<BuyerCookie>XXXXXXXXX</BuyerCookie>
<Extrinsic name="UserEmail">XXXXXXXXX@XXXXXXXXX.COM</Extrinsic>
<Extrinsic name="UniqueName">XXXXXXXXX</Extrinsic>
<BrowserFormPost>
<URL>https://s1.ariba.com/Buyer/punchout?client=HTML.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX&amp;responseid=9&amp;locale=en_US</URL>
</BrowserFormPost>
<SupplierSetup>
<URL>http://XXXXXXXXX.XXXXXXXXX-XXXXXXXXX.com/PunchOut/Example</URL>
</SupplierSetup>
<ShipTo>
<Address addressID="XXXXXXXXX">
<Name xml:lang="en">XXXXXXXXX</Name>
</Address>
</ShipTo>
<SelectedItem>
<ItemID>
<SupplierPartID>XXXXXXXXX</SupplierPartID>
<SupplierPartAuxiliaryID></SupplierPartAuxiliaryID>
</ItemID>
</SelectedItem>
</PunchOutSetupRequest>
</Request>
</cXML>

Example POSR with explanations:

Catalog Management > Punchout Catalog