How to mention someone in a message?

[foggy spade]

https://wwebjs.dev/guide/creating-your-bot/mentions.html

[sly relic]

oh you already answered

thank you, but the console said that was deprecated

          `@${user.id.user}`,
          {
            mentions: [user.id._serialized],
          },
        );

Used it like this
works

[umbral lark]

i can't find mention propery