Metadata Object

Source: https://nextjs.org/docs/app/api-reference/functions/generate-metadata#opengraph

import { Metadata } from 'next'
 
// either Static metadata
export const metadata: Metadata = {
  title: '...',
}
 
// or Dynamic metadata
export async function generateMetadata({ params }) {
  return {
    title: '...',
  }
}

You can do use this either in page or layout