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

Returns stickers from the installed sticker sets that correspond to any of the given emoji or can be found by sticker-specific keywords. If the query is non-empty, then favorite, recently used or trending stickers may also be returned. Returns object_ptr<Stickers>.

NameTypeDescription
sticker_typeStickerTypeType of the stickers to return.
querystringSearch query; a space-separated list of emoji or a keyword prefix. If empty, returns all known installed stickers.
limitnumberThe maximum number of stickers to be returned.
chat_idstringChat identifier for which to return stickers. Available custom emoji stickers may be different for different chats.

More details on telegram's documentation.