code: def set_widgets(self):
          
          self.tvBrowserExposure_selection_changed()
  
          # Set icon
          exposure = self.parent.step_fc_functions1.selected_value(
              layer_purpose_exposure['key'])
          icon_path = get_image_path(exposure)
          self.lblIconIFCWExposureFromBrowser.setPixmap(QPixmap(icon_path))
docs: Set widgets on the Exposure Layer From Browser tab.