def by_bookmark_id(self,bookmark_id: str) -> BookmarkItemRequestBuilder:
        """
        Provides operations to manage the bookmarks property of the microsoft.graph.searchEntity entity.
        param bookmark_id: The unique identifier of bookmark
        Returns: BookmarkItemRequestBuilder
        """
        if bookmark_id is None:
            raise TypeError("bookmark_id cannot be null.")
        from .item.bookmark_item_request_builder import BookmarkItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["bookmark%2Did"] = bookmark_id
        return BookmarkItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the bookmarks property of the microsoft.graph.searchEntity entity.
        param bookmark_id: The unique identifier of bookmark
        Returns: BookmarkItemRequestBuilder
        
msgraph/generated/search/bookmarks/bookmarks_request_builder.py