How to use the token in session in redirect like this

[vicky142803]

async session({ session, token }) {
if (session.user) {
session.user.id = token.id as string;
}
return session;
},
async redirect({ url, baseUrl}) {
const crossDomainToken = generateCrossDomainToken({
id: user.id,
email: user.email,
allowedDomains: ['my.website.com', 'another-website.com']
})

    const redirectUrl = new URL(url)
    redirectUrl.searchParams.set('crossDomainToken', crossDomainToken)
    
    return redirectUrl.toString()
  }
  return baseUrl
},