import { ManagementClient } from "auth0";

async function main() {
    const client = new ManagementClient({
        token: "<token>",
    });
    await client.guardian.factors.phone.setTemplates({
        enrollmentMessage: "enrollment_message",
        verificationMessage: "verification_message",
    });
}
main();

{
  "enrollment_message": "{{code}} is your verification code for {{tenant.friendly_name}}. Please enter this code to verify your enrollment.",
  "verification_message": "{{code}} is your verification code for {{tenant.friendly_name}}"
}