Unable to Set Room Number

Revit
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1

Hi, I am trying to renumber rooms using the data-shape node to select the rooms in the model, then renumbering them in order with a prefix (ie 1.01, 1.02, etc.)
However, the last node to set the room number keeps failing and not sure why?
Thanks in advance for any help.

2018-06-08_15-26-07
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2018-06-08_15-29-06
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@monica.greco Room number has to be a string

image

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Thanks @salvatoredragotta
Unfortunately that didn’t work either - it was coming up with null results …

4

@monica.greco check your room numbers. They have changed

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Thanks @salvatoredragotta
Realized why I thought they weren’t changing! I thought the #data-shapes node to select model elements would keep the order of the selection. But it’s re-arranging it!
So, while picking the rooms in a certain order, they were being re-numbered in a different order.
Thanks for the help

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