import { ManagementClient } from "auth0";

async function main() {
    const client = new ManagementClient({
        token: "<token>",
    });
    await client.users.permissions.create("id", {
        permissions: [
            {
                resourceServerIdentifier: "resource_server_identifier",
                permissionName: "permission_name",
            },
        ],
    });
}
main();