entra-app-registration

1## Overview
2 
3Microsoft Entra ID (formerly Azure Active Directory) is Microsoft's cloud-based identity and access management service. App registrations allow applications to authenticate users and access Azure resources securely.
4 
5### Key Concepts
6 
7| Concept | Description |
8|---------|-------------|
9| **App Registration** | Configuration that allows an app to use Microsoft identity platform |
10| **Application (Client) ID** | Unique identifier for your application |
11| **Tenant ID** | Unique identifier for your Azure AD tenant/directory |
12| **Client Secret** | Password for the application (confidential clients only) |
13| **Redirect URI** | URL where authentication responses are sent |
14| **API Permissions** | Access scopes your app requests |
15| **Service Principal** | Identity created in your tenant when you register an app |
16 
17### Application Types
18 
19| Type | Use Case |
20|------|----------|
21| **Web Application** | Server-side apps, APIs |
22| **Single Page App (SPA)** | JavaScript/React/Angular apps |
23| **Mobile/Native App** | Desktop, mobile apps |
24| **Daemon/Service** | Background services, APIs |
25 
26## Core Workflow
27 
28### Step 1: Register the Application
29 
30Create an app registration in the Azure portal or using Azure CLI.
31 
32**Portal Method:**
331. Navigate to Azure Portal → Microsoft Entra ID → App registrations
342. Click "New registration"
353. Provide name, supported account types, and redirect URI
364. Click "Register"
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