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🎞 ANIMATE · Mode 3 of 5 · +100 XP— Azure Functions
📋Trigger
⚙️Execute
🔄Scale
✅Connect
🎯 Next: Test →
Step 1 / 4
Speed
Triggering
HTTP trigger registers a serverless REST endpoint💡 Analogy
Like a doorbell — it does nothing until someone rings, then it alerts the household instantly.
app.http() registers an HTTP endpoint. No server to manage — Azure scales from 0 to thousands of instances automatically.
Console Output
> Function "processOrder" deployed
> Endpoint: https://myfunc.azurewebsites.net/api/processOrder?code=xxx
> POST /api/processOrder → handler called
●function.ts
TriggeringL1–16
1import { app, HttpRequest, HttpResponseInit, InvocationContext } from '@azure/functions';
2 
3// HTTP trigger — REST endpoint
4app.http('processOrder', {
5  methods: ['POST'],
6  authLevel: 'function',
7  handler: async (req: HttpRequest, context: InvocationContext): Promise<HttpResponseInit> => {
8    const order = await req.json() as { id: string; amount: number };
9    context.log(`Processing order ${order.id}`);
10 
11    if (order.amount <= 0) {
12      return { status: 400, body: JSON.stringify({ error: 'Invalid amount' }) };
13    }
14 
15    const result = await processPayment(order);
16    return { status: 200, jsonBody: result };
17  },
18});
19 
20// Timer trigger — runs every 5 minutes
21app.timer('cleanupExpiredSessions', {
22  schedule: '0 */5 * * * *',
23  handler: async (timer: any, context: InvocationContext) => {
24    context.log('Cleanup started');
25    const deleted = await deleteExpiredSessions();
26    context.log(`Deleted ${deleted} sessions`);
27  },
28});
29 
30// Service Bus trigger — queue consumer
31app.serviceBusQueue('handleNotification', {
32  queueName: 'notifications',
33  connection: 'SERVICE_BUS_CONNECTION',
34  handler: async (message: any, context: InvocationContext) => {
35    await sendEmail(message.to, message.subject, message.body);
36  },
37});
38 
39async function processPayment(order: any) { return { transactionId: 'txn-123' }; }
40async function deleteExpiredSessions() { return 42; }
41async function sendEmail(to: string, subject: string, body: string) {}
41 lines
Timeline — 4 Steps
Triggering
HTTP trigger registers a serverless REST endpoint💡 Analogy
Like a doorbell — it does nothing until someone rings, then it alerts the household instantly.
app.http() registers an HTTP endpoint. No server to manage — Azure scales from 0 to thousands of instances automatically.
Console Output
> Function "processOrder" deployed
> Endpoint: https://myfunc.azurewebsites.net/api/processOrder?code=xxx
> POST /api/processOrder → handler called

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Discussion

HTTP trigger registers a serverless REST endpoint

💡 Analogy

Like a doorbell — it does nothing until someone rings, then it alerts the household instantly.

app.http() registers an HTTP endpoint. No server to manage — Azure scales from 0 to thousands of instances automatically.

Console Output

> Function "processOrder" deployed
> Endpoint: https://myfunc.azurewebsites.net/api/processOrder?code=xxx
> POST /api/processOrder → handler called

HTTP trigger registers a serverless REST endpoint

💡 Analogy

Like a doorbell — it does nothing until someone rings, then it alerts the household instantly.

app.http() registers an HTTP endpoint. No server to manage — Azure scales from 0 to thousands of instances automatically.

Console Output

> Function "processOrder" deployed
> Endpoint: https://myfunc.azurewebsites.net/api/processOrder?code=xxx
> POST /api/processOrder → handler called