def add_tags_to_bookmark(self, bookmark_id, tags):
        """
        Add tags to to a bookmark.

        The identified bookmark must belong to the current user.

        :param bookmark_id: ID of the bookmark to delete.
        :param tags: Comma separated tags to be applied.
        """
        url = self._generate_url('bookmarks/{0}/tags'.format(bookmark_id))
        params = dict(tags=tags)
        return self.post(url, params)
Add tags to to a bookmark.

        The identified bookmark must belong to the current user.

        :param bookmark_id: ID of the bookmark to delete.
        :param tags: Comma separated tags to be applied.