def by_virtual_event_webinar_id(self,virtual_event_webinar_id: str) -> VirtualEventWebinarItemRequestBuilder:
        """
        Provides operations to manage the webinars property of the microsoft.graph.virtualEventsRoot entity.
        param virtual_event_webinar_id: The unique identifier of virtualEventWebinar
        Returns: VirtualEventWebinarItemRequestBuilder
        """
        if virtual_event_webinar_id is None:
            raise TypeError("virtual_event_webinar_id cannot be null.")
        from .item.virtual_event_webinar_item_request_builder import VirtualEventWebinarItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["virtualEventWebinar%2Did"] = virtual_event_webinar_id
        return VirtualEventWebinarItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the webinars property of the microsoft.graph.virtualEventsRoot entity.
        param virtual_event_webinar_id: The unique identifier of virtualEventWebinar
        Returns: VirtualEventWebinarItemRequestBuilder
        
msgraph/generated/solutions/virtual_events/webinars/webinars_request_builder.py