code: def set_widgets(self):
          
          # The list is already populated in the previous step, but now we
          # need to do it again in case we're back from the Keyword Wizard.
          # First, preserve self.parent.layer before clearing the list
          last_layer = self.parent.layer and self.parent.layer.id() or None
          self.lblDescribeCanvasHazLayer.clear()
          self.list_compatible_canvas_layers()
          self.auto_select_one_item(self.lstCanvasHazLayers)
          # Try to select the last_layer, if found:
          if last_layer:
              layers = []
              for index in range(self.lstCanvasHazLayers.count()):
                  item = self.lstCanvasHazLayers.item(index)
                  layers += [item.data(Qt.UserRole)]
              if last_layer in layers:
                  self.lstCanvasHazLayers.setCurrentRow(layers.index(last_layer))
  
          # Set icon
          hazard = self.parent.step_fc_functions1.selected_value(
              layer_purpose_hazard['key'])
          icon_path = get_image_path(hazard)
          self.lblIconIFCWHazardFromCanvas.setPixmap(QPixmap(icon_path))
docs: Set widgets on the Hazard Layer From TOC tab.