[Paraview] Save State/adding custom property

[michal wozniak]

Hi everyone,
I am trying to add a custom property to the state xml. 
For eg: 
I loaded object.stl and did a slice on it. Then, I saved the state and went to look at the XML. 
<ProxyCollection name="sources">      <Item id="4031" name="Slice1"/>      <Item id="3783" name="object.stl"/> </ProxyCollection>
I want to add an extra property called "user" 
<ProxyCollection name="sources">      <Item id="4031" name="Slice1" user="dev"/>      <Item id="3783" name="object.stl" user="basic"/> </ProxyCollection>
the extra property will be added during the saving of the state. I will be changing user property using a widget. I just want to know how to send the value of my variable user to be printed in the xml. 
I have been looking at a couple of classes  vtkSMStateVersionController, vtkSMStateLoader, vtkSMProperty. I got confused after looking at so many classes related to this.  Do i need to register my variable or send it using a specific function?Is there some documentation/tutorial for this?
thanks 
Michal Wozniak


 		 	   		  
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