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

Changes the slow mode delay of a chat. Available only for supergroups; requires can_restrict_members rights. Returns object_ptr<Ok>.

NameTypeDescription
chat_idstringChat identifier.
slow_mode_delaynumberNew slow mode delay for the chat, in seconds; must be one of 0, 10, 30, 60, 300, 900, 3600.

More details on telegram's documentation.