code: def _create_osm_downloader_action(self):
          
          icon = resources_path('img', 'icons', 'show-osm-download.svg')
          self.action_import_dialog = QAction(
              QIcon(icon),
              self.tr('OpenStreetMap Downloader'),
              self.iface.mainWindow())
          self.action_import_dialog.setStatusTip(self.tr(
              'OpenStreetMap Downloader'))
          self.action_import_dialog.setWhatsThis(self.tr(
              'OpenStreetMap Downloader'))
          self.action_import_dialog.triggered.connect(self.show_osm_downloader)
          self.add_action(self.action_import_dialog, add_to_toolbar=True)
docs: Create action for import OSM Dialog.