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

The list of recently used stickers was updated.

NameTypeDescription
is_attachedboolTrue, if the list of stickers attached to photo or video files was updated; otherwise, the list of sent stickers is updated.
sticker_idsnumberThe new list of file identifiers of recently used stickers.

More details on telegram's documentation.