Method: stickers.changeSticker

Update the keywords, emojis or mask coordinates of a sticker, bots only.

Parameters:

Name	Type	Description	Required
sticker	MessageMedia, Update, Message or InputDocument	The sticker	Optional
emoji	string	If set, updates the emoji list associated to the sticker	Optional
mask_coords	MaskCoords	If set, updates the mask coordinates	Optional
keywords	string	If set, updates the sticker keywords (separated by commas). Can’t be provided for mask stickers.	Optional

Return type: messages.StickerSet

Can bots use this method: YES

MadelineProto Example (now async for huge speed and parallelism!):

if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$messages_StickerSet = $MadelineProto->stickers->changeSticker(sticker: $InputDocument, emoji: 'string', mask_coords: $MaskCoords, keywords: 'string', );