How to reply to a sticker?

Question

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I need a node.js bot to respond to the stickers that are sent to
it. Here is the code how I tried to respond to the sticker
updates.on(['sticker'], async (message, next) => {
message.send(`kkk `)
})

Answer 1

updates.on('new_message', async (message, next) => {
    if (message.hasAttachments('sticker')) {
        await message.send(`kkk`)
    }
})