When I create a new property, I can add an update function to execute every time it will be changed:

bpy.types.Scene.testprop = bpy.props.FloatProperty(update=update_func)

What if I want to call update_func on the update of build in blender property (for example mesh name). I found a similar question here. But it does not work when I change the property from UI.


  • 1
    $\begingroup$ Hi. What do you mean by 'build' in this context? $\endgroup$ Commented Feb 15, 2019 at 13:36
  • 2
    $\begingroup$ bpy.context.scene.render.resolution_x is property build in blender $\endgroup$ Commented Feb 27, 2019 at 16:11
  • 1
    $\begingroup$ Is that Impossible? $\endgroup$ Commented Mar 22, 2019 at 13:46


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