How to declare Array Of Objects in TypeORM Graphql Schema?

I am working with 2 Postgres Models – users and posts, where each user can have multiple posts (One to Many Relation). Here I need to make a user profile function to access data of single user along with the associated posts. I have made the following schema.ts file for the same –

import { Field, InputType, Int, ObjectType } from "@nestjs/graphql";

@ObjectType()
class Post {
    @Field()
    id: string;
    @Field()
    title: string;
    @Field()
    description: string;
}

@ObjectType()
export class Users {
    @Field()
    id: string;
    @Field()
    email: string;
    @Field()
    token: string;
    @Field()
    name: string;
    @Field({ nullable: true })
    role: string;
    @Field({ nullable: true })
    posts: [Post]
}

Upon running the same, I receive this error –

Error: Undefined type error. Make sure you are providing an explicit type for the "posts" of the "Users" class.

All I need is to create a schema where I can have array of posts tied to a user object.