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

A forum topic has been edited.

NameTypeDescription
namestringIf non-empty, the new name of the topic.
edit_icon_custom_emoji_idboolTrue, if icon's custom_emoji_id is changed.
icon_custom_emoji_idstringNew unique identifier of the custom emoji shown on the topic icon; 0 if none. Must be ignored if edit_icon_custom_emoji_id is false.

More details on telegram's documentation.