How to create a Do While Loop to process Family Parameters in Revit

[RLietz]

What I learnt here, I then applied it to the next step, of controlling a Revit family via an Excel input

How to Control Revit Family via an Excel File?

This question is a continuation from the earlier post, “Do While to process Family Parameters”. Instead of values entered into a Code Block to control family parameters, I would like to control these variables via an excel file. I have been able to update the “Mark” value of the family with the following code, but I haven’t been able to work out how to control the (x, y) or (x,y, z) positions. I also tried using the “CONCATENATE” function in the excel to pull together the x,y and z values but…