How to get attachments from a message?

let files = msg.attachments.map((obj) => new AttachmentBuilder(obj.proxyURL))
console.log(files)
channel.send({ content: `xxx`, embeds: [Embed], components: [Buttons], files: files });

[
  AttachmentBuilder {
    attachment: 'https://media.discordapp.net/attachments/1267551776593150105/12
67551842175291496/Screenshot_1.png?ex=66a93325&is=66a7e1a5&hm=6c87f01db84a1c96ea
344fa4775eb54ed5542a554f9e896712b7d9cea0c10c91&',
    name: undefined,
    description: undefined
  },
  AttachmentBuilder {
    attachment: 'https://media.discordapp.net/attachments/1267551776593150105/12
67551842527871068/image.png?ex=66a93325&is=66a7e1a5&hm=3056040ffca4396f5d957f522
71659be379dd00a3cc02811ecb0fb70a7257d65&',
    name: undefined,
    description: undefined
  }
]