def register(cls):
        """Register properties and operators corresponding to this panel."""

        bpy.utils.register_class(ViewSynthesisPanelSettings)
        bpy.types.Scene.view_synthesis_panel_settings = PointerProperty(
            type=ViewSynthesisPanelSettings
        )
        bpy.utils.register_class(RunViewSynthesisOperator)
Register properties and operators corresponding to this panel.
photogrammetry_importer/panels/view_3d_view_synthesis_panel.py