A For In loop will loop over a structure. It will NOT loop over the
complex data set returned from a COM object.
11.2
The For In loop will set a variable with the 'key' used in each record in a structure. This key variable can then be used to access the value in the structure.
<CFSCRIPT>
For (key in Session)
WriteOutput(Session[key]&' ')
</CFSCRIPT>