For array properties (grid fields), the returned value is a variant array with a lower bound of 0.
http://www.kinook.com/VisBuildPro/Ma...typroperty.htm
In VBScript, to assign array properties, use something like:
Code:
objStep.Property("Parameters") = Array("Name1", "Name2", "Name3")
objStep.Property("ParamValues") = Array("val1", "val2", "val3")