Hi, I have got an error when setting parameter. Sometimes I can change the level (or offset) of a fitting, but sometimes not (got “The parameter is read only” error). Please help me to solve this issue. Thanks a lot! https://forum.dynamobim.com/uploads/short-url/nXx0E9TH0nGaophuBppgIxbjkuc.mp4 […

If we don’t want to use python script, we can follow the below picture: [image]

Try to insert a Level.Name node after Levels

Hi Yna_Db, thanks for your suggestion. It doesn’t work. I think this value should be a level object, not a string. [image]

That’s right. In this case, I would guess that some element levels can’t be changed through Dynamo, but someone else could have a better answer…

[image] Level Parameter Bug - Read only Revit HI I’ve been trying to change level for pipes too, but my python skills are very limited, but I think that I have found the right BuiltInParameters!! You can see my code below. slight_smile I get an error in line 24 [image] A…

Thanks Joseph_Peel, Your solution is work. I guess the reason is that we have “2” level parameters in Revit: SCHEDULE_LEVEL_PARAM is for schedule, read only FAMILY_LEVEL_PARAM is the writable property So we need to assign what parameter we should change. I have also update the python script so…

@Orval_Tien Do you know how to change parameters of views as example “Perspective”? The Built in parameter is VIEWER_PERSPECTIVE_DISABLED. The value of perspective is No, I would like to switch it into YES. Is it possible with the node of Set Builtin Parameter of Archilab?

Set Parameter – Error Parameter is Read only

Packages

Joseph_Peel January 6, 2017, 3:01pm 5

Topic		Replies	Views
Level Parameter Bug - Read only Revit revit	15	10234	June 18, 2020
When I try to set the level for Duct fitting or pipe fitting using python, I'm getting a error saying the parameter is read only, can someone help me with this Developers python , dynamo	4	248	April 8, 2024
How to set new values to parameters which are read only Revit dynamo	4	870	November 17, 2021
Write to read only parameter? Revit dynamo	2	1282	August 22, 2018
Revit element seems randomly read-only	3	1243	April 6, 2017

Set Parameter – Error Parameter is Read only

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