KeyRing.js

const { KeyManagementServiceClient } = require('@google-cloud/kms');

const projectId = <YourProjectID>;
const locationId = <YourPreferedStorageLocationID>; //Based on the google cloud regions e.g. us-central1
const keyRingId = <KeyRingID>;

const kmsClient = new KeyManagementServiceClient();

const locationName = kmsClient.locationPath(projectId, locationId);

async function createKeyRing() {
    const [keyRing] = await kmsClient.createKeyRing({
        parent: locationName,
        keyRingId: keyRingId
    });
    console.log(`Created key ring: ${keyRing.name}`);
}