View Source ExTDLib.Method.SearchSecretMessages (ExTDLib v0.0.4)

Searches for messages in secret chats. Returns the results in reverse chronological order. For optimal performance, the number of returned messages is chosen by TDLib. Returns object_ptr<FoundMessages>.

NameTypeDescription
chat_idstringIdentifier of the chat in which to search. Specify 0 to search in all secret chats.
querystringQuery to search for. If empty, searchChatMessages must be used instead.
offsetstringOffset of the first entry to return as received from the previous request; use empty string to get the first chunk of results.
limitnumberThe maximum number of messages to be returned; up to 100. For optimal performance, the number of returned messages is chosen by TDLib and can be smaller than the specified limit.
filterSearchMessagesFilterAdditional filter for messages to search; pass null to search for all messages.

More details on telegram's documentation.