Hello, I’ve been tring to get the name of the project parameters through python and the API but it keeps getting me the error message: The managed object is not valid. Here is the code: import clr clr.AddReference("RevitServices") from RevitServices.Persistence import DocumentManager doc = DocumentManager.Instance.CurrentDBDocument res = [] iterador = doc.ParameterBindings.ForwardIterator() while iterador.MoveNext(): res.append(iterador.Key) OUT = [a.Name for a in res] Thanks for all your support

your code seems to work fine on my end, so i suspect is that you didnt load the correct assembly/method. try replacing your importing part to this # Import DocumentManager and TransactionManager clr.AddReference("RevitServices") import RevitServices from RevitServices.Persistence import DocumentManager from RevitServices.Transactions import TransactionManager # Import RevitAPI clr.AddReference('RevitAPI') from Autodesk.Revit.DB import * EDIT: Is you didnt load in the revit api assembly :smiley:

and also your code can be shorten by just placing a “Name” property after the Key method like this: res = [] iterador = doc.ParameterBindings.ForwardIterator() while iterador.MoveNext(): res.append(iterador.Key.Name) OUT = res

I have run into this issue before specifically with ParameterBindings. I think the only way to solve this (temporarily) was to restart Dynamo and/or Revit. The code you have written is syntactically correct, but I think the error is out of your control.

@ramoon.bandeira, how about this one? [image] Python get parameter name list Developers @Ernesto_Pellegrino Or just copy paste from here, import clr #Import Revit Nodes clr.AddReference("RevitNodes") import Revit clr.ImportExtensions(Revit.Elements) # Import RevitAPI clr.AddReference("RevitAPI") import Autodesk from Autodesk.Revit.DB import * # Import DocumentManager and TransactionManager clr.AddReference("RevitServices") from RevitServices.Persistence import DocumentManager doc = DocumentManager.Instance.CurrentDBDocument allProjParam = [] col…

Thanks for your tip I really missed the imports. The final code was: import clr clr.AddReference('RevitAPI') from Autodesk.Revit.DB import * clr.AddReference("RevitServices") from RevitServices.Persistence import DocumentManager doc = DocumentManager.Instance.CurrentDBDocument res = [] iterador = doc.ParameterBindings.ForwardIterator() while iterador.MoveNext(): res.append(iterador.Key.Name) OUT = res

Get Project Parameters Name through Python Issue

Developers

jean November 14, 2019, 8:44am 6

@ramoon.bandeira, how about this one?

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Get Project Parameters Name through Python Issue

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