View Source ExTDLib.Object.UpdateDeleteMessages (ExTDLib v0.0.4)

Some messages were deleted.

NameTypeDescription
chat_idstringChat identifier.
message_idsstringIdentifiers of the deleted messages.
is_permanentboolTrue, if the messages are permanently deleted by a user (as opposed to just becoming inaccessible).
from_cacheboolTrue, if the messages are deleted only from the cache and can possibly be retrieved again in the future.

More details on telegram's documentation.