The Telegram sticker ID is a unique identifier that allows bots and other programs to identify a specific sticker.To find out the Telegram sticker ID, you can use special bots, for example, @FIND_MY_ID_BOT. To do this, you need to send this bot a sticker, and it will return its unique ID.
This can be useful for sellers who work with a large audience. For example, they can use the sticker ID so that the program automatically sends a specific sticker in response to a specific event or command - for example, a sticker upon a successful top-up.
This is what the sticker looks like for the client in the Telegram bot. Please note that the sticker can only be attached in those blocks where it is supported; you will not be able to attach it anywhere else, including to free buttons.