Invoking Cloud Function

gcp.js

const url = 'https://REGION-HOST_PROJECT_ID.cloudfunctions.net/FUNCTION_NAME';
const targetAudience = url;
const {GoogleAuth} = require('google-auth-library');
const auth = new GoogleAuth();
async function request() {
 const client = await auth.getIdTokenClient(targetAudience);
 const res = await client.request({url});
 console.info(res.data);
}
request().catch(err => {
 console.error(err.message);
 process.exitCode = 1;
});