# Pega Constellation: Connect REST Integration Walkthrough
> Learn how to use the Pega Integration Wizard to create Connect REST rules, data pages, and automate data modeling from JSON responses.

Tags: pega, pega-constellation, rest-api, integration, low-code, api-tutorial, dev-studio
## Connect REST Integration Walkthrough in Pega Constellation

## Why use the Integration Wizard?
* **Accelerates development**: Automatically generates data models from JSON.
* **Reduced Errors**: Eliminates manual mapping and class structure mistakes.
* **Visual Interface**: Configure GET, POST, and other methods easily.
* **Automation**: Creates Data Pages and Connect Rules instantly.

## Step-by-Step Configuration
* **Access**: Navigate to Integration > Connectors > Create REST Integration in Dev Studio.
* **Connection**: Define Name and Endpoint URL (e.g., using dynamic parameters like `{CustomerId}`).
* **Methods**: Select required HTTP methods (GET, POST, etc.).
* **Data Modeling**: Test connection with sample data to let the system parse JSON fields (name, email) automatically.
* **Generation**: Preview generated artifacts (1 Connect REST rule, 1 Data Page, 2 Data Transforms, and necessary Classes).

## Technical Artifacts
* **Connect REST Rule**: Handles the HTTP request and resource path mapping.
* **Data Page (D_GetCustomer)**: Wraps the connector to separate logic from the UI.
* **Data Mapping**: Uses a Data Transform (e.g., `DisplayCustomerInfo`) to map properties to the Work Object.
* **UI Triggers**: Configure UI events (like a field change) to trigger data fetching manually or automatically.
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