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I have made API defined custom RNA Properties in my Scene automatically added to a selected Object (not the Mesh).

But when I save the scene and restart Blender, they are already visible but the boolean properties where converted to integers and they are no more linked to the drivers where I defined them for.

Example for adding a driver target (property link to driver):

#Define a new Driver Target 
SubsurfViewTar = SubsurfViewVar.targets[0]                                  
#Define a new Driver id Type
SubsurfViewTar.id_type = 'OBJECT'                                           
#Define the Object which contains the custom property which drives the Property
SubsurfViewTar.id = bpy.data.objects[GrpName]                               
#Define the Custom Property of the object
SubsurfViewTar.data_path = "View_Resolution"
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  • $\begingroup$ You will need to share your blend file for someone to see what is happening. Driver issues are often from auto-run python scripts being disabled. $\endgroup$ – sambler Sep 11 '14 at 10:13
  • $\begingroup$ autorun python scripts is not the problem as i know now... and the drivers exist like before but they are all set to 0 and no more linked to the properties $\endgroup$ – Tristan Salzmann Sep 11 '14 at 11:56

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