import { ManagementClient } from "auth0";

async function main() {
    const client = new ManagementClient({
        token: "<token>",
    });
    await client.users.permissions.list("id", {
        perPage: 1,
        page: 1,
        includeTotals: true,
    });
}
main();

[
  {
    "sources": "<unknown>",
    "resource_server_identifier": "<string>",
    "permission_name": "<string>",
    "resource_server_name": "<string>",
    "description": "<string>"
  }
]