Changes the mask position of a mask sticker. The sticker must belong to a mask sticker set that is owned by the current user. Request type for Tdjson#setStickerMaskPosition.
Position where the mask is placed; pass null to remove mask position.
Sticker.
Changes the mask position of a mask sticker. The sticker must belong to a mask sticker set that is owned by the current user. Request type for Tdjson#setStickerMaskPosition.