my-app/
  base44/
    functions/
      process-order/
        entry.ts
      send-notification/
        entry.ts

base44/
  functions/
    process-order/
      entry.ts

import { createClientFromRequest } from "npm:@base44/sdk";

Deno.serve(async (req) => {
  // Get authenticated client from request
  const base44 = createClientFromRequest(req);
  
  // Parse input
  const { orderId, action } = await req.json();
  
  // Your logic here
  const order = await base44.entities.Orders.get(orderId);
  
  // Return response
  return Response.json({
    success: true,
    order: order
  });
});

// Success response
return Response.json({ data: result });

// Error response with status code
return Response.json({ error: "Something went wrong" }, { status: 400 });

// Not found
return Response.json({ error: "Order not found" }, { status: 404 });

base44/
  functions/
    process-order/
      entry.ts

import { createClientFromRequest } from "npm:@base44/sdk";

Deno.serve(async (req) => {
  try {
    const base44 = createClientFromRequest(req);
    const { orderId } = await req.json();
    
    // Validate input
    if (!orderId) {
      return Response.json(
        { error: "Order ID is required" },
        { status: 400 }
      );
    }
    
    // Fetch and process the order
    const order = await base44.entities.Orders.get(orderId);
    if (!order) {
      return Response.json(
        { error: "Order not found" },
        { status: 404 }
      );
    }
    
    return Response.json({
      success: true,
      orderId: order.id,
      processedAt: new Date().toISOString()
    });
    
  } catch (error) {
    return Response.json(
      { error: error.message },
      { status: 500 }
    );
  }
});

import { createClientFromRequest } from "npm:@base44/sdk";

Deno.serve(async (req) => {
  const base44 = createClientFromRequest(req);
  
  // Check user is authenticated
  const user = await base44.auth.me();
  if (!user) {
    return Response.json({ error: "Unauthorized" }, { status: 401 });
  }
  
  // Use service role for admin operations
  const allOrders = await base44.asServiceRole.entities.Orders.list();
  
  return Response.json({ orders: allOrders });
});

Deno.serve(async (req) => {
  // Access environment variables (configured in app settings)
  const apiKey = Deno.env.get("STRIPE_API_KEY");
  
  const response = await fetch("https://api.stripe.com/v1/charges", {
    headers: {
      "Authorization": `Bearer ${apiKey}`
    }
  });
  
  return Response.json(await response.json());
});

npx base44 functions deploy