Could you please give a little piece of code as a simple example ... ? Thanks

Yes, I have created a custom library, and I would like to propose examples to the users. But up to now, my examples can be modified. And I would like that they remain unmodifiable.

Sorry to bother again, but I tried all, and there I have found no way apparently to create a non modifiable example. It seems that just some few words of help on a forum is not enough for me to do that....

Thanks adrpro, but it seems something  is wrong, missing,  or not allowed, because I can't export to  read only package. The line "export to  read only package" in the file menu is "light grey", not active .... 

Thanks for the help and quick answer. I will try.

I will also seek information for the "paid version ?"  Seems to be new ..?

I would like to create an example class that can be run, but not modified, like the examples of the Modelica libraries.
But after looking at the code of the Modelica examples, I can't see what to do for that purpose.
Thanks for any help.