Contentstack .NET Model Generator

Use the Contentstack .NET Model Generator to create C# model classes from content types in your stack.

Note: Ensure .NET version 7.0 or later is installed before executing the commands.

To install Contentstack model generator, run following command:

dotnet tool install —-global contentstack.model.generator

Once you install contentstack.model.generator run the following command to view available commands:

Contentstack.model.generator --help

The Contentstack Model Generator supports two authentication methods:

• Authentication using Authtoken (default)
• Authentication using OAuth 2.0

Note: OAuth 2.0–related flags (such as --oauth, --client-id, --client-secret, etc.) are listed separately in the OAuth 2.0 options table.

Example 1: Basic Usage

To create classes in current directory run the following command:

contentstack.model.generator -a <stack_api_key> -A <authtoken>

Example 2: Specific Path

To create classes in specific path run the following command:

contentstack.model.generator -a <stack_api_key> -A <authtoken> -p /User/xxx/Desktop

Example 3: With Namespace

To create classes with namespace run the following command:

contentstack.model.generator -a <stack_api_key> -A <authtoken> -n YourProject.Models

Example 4: With Nullable Annotations

To allow nullable annotation context in model creation run the following command:

contentstack.model.generator -a <stack_api_key> -A <authtoken> -N

Note: Running multiple commands in succession overwrites the previously generated files if they share the same output path. Use unique directories or enable the --force flag when you intend to replace existing files.

Prerequisites

• Contentstack account with OAuth enabled.
• Create an OAuth application in your Contentstack dashboard

OAuth Flow

1. Authorization: The tool displays the Contentstack OAuth authorization URL for you to open manually
2. Authentication: Open the URL in your browser, log in to your Contentstack account and authorize the application
3. Callback: You’ll be redirected to your specified redirect URI with an authorization code
4. Code Entry: Copy the authorization code from the redirect URL and paste it into the tool
5. Token Exchange: The tool automatically exchanges the code for an access token
6. Model Generation: The tool fetches your content types and generates models
7. Logout: The tool automatically logs out and clears tokens

Note: Auto-logout after model generation cannot be disabled. Tokens are session-specific and not reused by other SDKs or applications.

Example 1: OAuth with PKCE (Recommended)

For public clients or enhanced security, use OAuth with PKCE:

contentstack.model.generator --oauth -a <stack_api_key> --client-id <client_id> --redirect-uri http://localhost:8184

Example 2: OAuth with Client Secret

For confidential clients with client secret:

contentstack.model.generator --oauth -a <stack_api_key> --client-id <client_id> --client-secret <client_secret> --redirect-uri http://localhost:8184

Example 3: OAuth with App ID

For OAuth with specific app and scopes:

contentstack.model.generator --oauth -a <stack_api_key> --client-id <client_id> --redirect-uri http://localhost:8184 --app-id <app_id>

Example 4: OAuth with Custom Path and Namespace

contentstack.model.generator --oauth -a <stack_api_key> --client-id <client_id> --redirect-uri http://localhost:8184 -p /path/to/models -n YourProject.Models

Here’s what you will see when running an OAuth command:

$ contentstack.model.generator --oauth -a <api_key> --client-id myclient123 --redirect-uri http://localhost:8184

Contentstack Model Generator v0.4.6
=====================================

OAuth Authentication Required
=============================

Please open the following URL in your browser to authorize the application:

https://app.contentstack.com/#!/apps/6400aa06db64de001a31c8a9/authorize?response_type=code&client_id=myclient123&redirect_uri=http%3A%2F%2Flocalhost%3A8184&code_challenge=...

After authorization, you will be redirected to a local URL.
Please copy the 'code' parameter from the redirect URL and paste it here:

Authorization code: [User pastes the code here]

Exchanging authorization code for access token...
OAuth authentication successful!
Access token expires at: 2024-01-15 14:30:00 UTC

Fetching stack information...
Stack: My Contentstack Stack
API Key: api_key

Fetching content types...
Found 5 content types:
Generating files from content type

Files successfully created!
Opening <file_path>/Models

Logging out from OAuth...
OAuth logout successful!

• PKCE Support: Uses Proof Key for Code Exchange for enhanced security
• Client Secret Optional: Supports both confidential and public clients
• Automatic Token Management: Handles token refresh and expiration
• Secure Logout: Automatically clears tokens after model generation

• Invalid Redirect URI: Ensure the redirect URI matches exactly what’s configured in your OAuth app
• Client ID/Secret Issues: Verify your OAuth app credentials
• Network Issues: Check your internet connection and Contentstack service status
• Permission Issues: Ensure your account has the necessary permissions for the stack
  

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