A response typically includes all the XML namespace identifiers that the server uses to validate it, in addition to other attributes that specify the schema locations searched during validation.

The following fragment shows the attributes and prefixes of the XML namespace identifier that appear in a typical response for the vCloud Air Platform APIs:

<Session 
...
   xmlns="http://www.vmware.com/vchs/v5.6"
   xmlns:tns="http://www.vmware.com/vchs/v5.6"
   xmlns:xs="http://www.w3.org/2001/XMLSchema"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   ...
</Session>