add
Use this method to add a new sticker to a set created by the bot. Emoji sticker sets can have up to 200 stickers. Other sticker sets can have up to 120 stickers. Returns True on success.
Parameters
user
User identifier of sticker set owner
name
Sticker set name
sticker
A JSON-serialized object with information about the added sticker. If exactly the same sticker had already been added to the set, then the set isn't changed.
inline fun addStickerToSet(userId: Long, name: String, input: () -> InputSticker): AddStickerToSetAction