Automatically count up parameter after pick order (integer)

[Mops33]

I want to count up a specific parameter after selecting.
User input: Start value, select elements, target parameter.
My script works, but it doesn’t sort the families according to pick order, but according to ID.

[Mops33]

A PYthon version should look something like this

[sovitek]

Hello @Mops33 not sure if it could help but spring have a select node guess the name is "select element in order or something

[Mops33]

I tried with that. The selection is always “Null”. Does not work how intended

[sovitek]

that one is written for ironpython 2.7 maybe thats why…try this one here for cpython 3 or pythonnet 3 and remember hit ESC after selection
select order.dyn (4.7 KB)

[bvs1982]

Like @sovitek said. It should work.

[Mops33]

yes but unfortunately it doesnt. Do i have to edit the SelectElements node?

[sovitek]

do you have ironpython 2.7 version 2.5 installled, try the one ishared then you dont need that

[bvs1982]

No.

Which Revit version and springs version?

Also do you have the IronDynamo packages installed?

I was on Revit 2025 with

[sovitek]

best avoid ironpython 2.7 imo, if you can pS could probably work with ironpython 3 as well but havent tried

[Mops33]

OK i realised it myself. I fixed it, now works perfectly. Tahnk you both