addStickerToSet

Bots only. Adds new sticker to a set. Returns the sticker set.

addStickerToSet(user_id, name, png_sticker, point, x_shift, y_shift, scale)

Field	Type	Description
user_id	int32	Sticker set owner
name	string	Sticker set name
png_sticker	Png image with the sticker, must be up to 512 kilobytes in size and fit in 512x512 square
emojis	Emojis corresponding to the sticker
point	Part of a face relative to which the mask should be placed. 0 - forehead, 1 - eyes, 2 - mouth, 3 - chin
x_shift	Shift by X-axis measured in widths of the mask scaled to the face size, from left to right. For example, choosing -1.0 will place mask just to the left of the default mask position
y_shift	Shift by Y-axis measured in heights of the mask scaled to the face size, from top to bottom. For example, 1.0 will place the mask just below the default mask position.
scale	Mask scaling coefficient. For example, 2.0 means double size