How to get the value of a variable out of the scope of the arrow function which created it

So, i have this code:

client.on('messageCreate', async msg => {
    if (msg.content.startsWith('-p')) {
        if (!msg.member.voice?.channel) return msg.channel.send('Por favor...')
        const connection = joinVoiceChannel({
            channelId: msg.member.voice.channel.id,
            guildId: msg.guild.id,
            adapterCreator: msg.guild.voiceAdapterCreator
        })
        google.youtube('v3').search.list({
            key: process.env.YOUTUBE_TOKEN,
            part: 'id',
            q: msg.content.slice(3),
            maxResults: 1
        }).then((response) => {
            const { data } = response;
            let link = 'https://www.youtube.com/watch?v=' + data.items.id.videoId
        })
        let args = msg.content.slice(3)
        let stream = await play.stream(args)
        let resource = createAudioResource(stream.stream, {
            inputType: stream.type
        })
        let player = createAudioPlayer({
            behaviors: {
                noSubscriber: NoSubscriberBehavior.Play
            }
        })
        player.play(resource)
        connection.subscribe(player)
    }
})

And i would like to use the value of the variable "link", which is a string, as parameter for the method play.stre(args)

I'm don't fully understand how to get that done

Also, if possible i would like to find a way to store that value too inside an array outside the whole:

 *client.on('messageCreate' , async msg => {...   ...})*

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