The Watch tab
Release 1.2 - ...
The Watch tab allows you, just the Immediate window tab, to execute sxml vipers while debugger. The main difference is that the Watch tab remembers any vipers you types, while the Immediate window executes the viper statement only once. The Watch tab should be used for inspecting values. If you execute vipers that modify the state of the current request, the outcome may be different each time you inspect the values.