@property<EOL><INDENT>def attachments(self):<DEDENT>
raw_attachments = self._event.chat_message.message_content.attachment<EOL>if raw_attachments is None:<EOL><INDENT>raw_attachments = []<EOL><DEDENT>attachments = []<EOL>for attachment in raw_attachments:<EOL><INDENT>for embed_item_type in attachment.embed_item.type:<EOL><INDENT>known_types = [<EOL>hangouts_pb2.ITEM_TYPE_PLUS_PHOTO,<EOL>hangouts_pb2.ITEM_TYPE_PLACE_V2,<EOL>hangouts_pb2.ITEM_TYPE_PLACE,<EOL>hangouts_pb2.ITEM_TYPE_THING,<EOL>]<EOL>if embed_item_type not in known_types:<EOL><INDENT>logger.warning('<STR_LIT>'<EOL>'<STR_LIT>', embed_item_type)<EOL><DEDENT><DEDENT>if attachment.embed_item.HasField('<STR_LIT>'):<EOL><INDENT>attachments.append(<EOL>attachment.embed_item.plus_photo.thumbnail.image_url<EOL>)<EOL><DEDENT><DEDENT>return attachments<EOL>
List of attachments in the message (:class:`list`).