> Do I need to cast or something like that to make this? > Because the parameter is an object, but zope treats like a > string. > > Ex.: > <dtml-in "REQUEST['parametro'].objectValues()"> > The REQUEST['parametro'] is a folder. REQUEST['parametro'] is likely a name of a folder. What you probably want is something like: <untested> <dtml-in "_.[_.['parametro']].objectValues()"> </untested> Which hurts just to type.