Set maximum Time-To-Live of all messages in the specified chat
updatesTooLong#e317af7e = Updates;
updateShortMessage#313bc7f8 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true id:int user_id:long message:string pts:int pts_count:int date:int fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?long reply_to:flags.3?MessageReplyHeader entities:flags.7?Vector<MessageEntity> ttl_period:flags.25?int = Updates;
updateShortChatMessage#4d6deea5 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true id:int from_id:long chat_id:long message:string pts:int pts_count:int date:int fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?long reply_to:flags.3?MessageReplyHeader entities:flags.7?Vector<MessageEntity> ttl_period:flags.25?int = Updates;
updateShort#78d4dec1 update:Update date:int = Updates;
updatesCombined#725b04c3 updates:Vector<Update> users:Vector<User> chats:Vector<Chat> date:int seq_start:int seq:int = Updates;
updates#74ae4240 updates:Vector<Update> users:Vector<User> chats:Vector<Chat> date:int seq:int = Updates;
updateShortSentMessage#9015e101 flags:# out:flags.1?true id:int pts:int pts_count:int date:int media:flags.9?MessageMedia entities:flags.7?Vector<MessageEntity> ttl_period:flags.25?int = Updates;
---functions---
messages.setHistoryTTL#b80e5fe4 peer:InputPeer period:int = Updates;
Parameters
| Name | 
Type | 
Description | 
| peer | 
InputPeer | 
The dialog | 
| period | 
int | 
Automatically delete all messages sent in the chat after this many seconds | 
Result
Updates
Only users can use this method
Possible errors
| Code | 
Type | 
Description | 
| 400 | 
CHAT_NOT_MODIFIED | 
No changes were made to chat information because the new information you passed is identical to the current information. | 
| 400 | 
PEER_ID_INVALID | 
The provided peer id is invalid. | 
| 400 | 
TTL_PERIOD_INVALID | 
The specified TTL period is invalid. |