def METHOD_NAME(
    self,
    team_drive_or_file_id: str,
    participants: List[str],
    role: str = Roles.writer,
    user_type: str = UserTypes.user,
):
    """Adds participants to an existing Google Drive."""
    client = get_service(self.configuration, "drive", "v3", self.scopes)
    for p in participants:
        add_permission(client, p, team_drive_or_file_id, role, user_type)