# SOAP Integration in Pega Constellation: A Technical Guide
> Learn how to configure Connect SOAP integrations in Pega Constellation using wizards, WSDL consumption, XML mapping, and Data Pages.

Tags: pega, soap-integration, pega-constellation, wsdl, xml-mapping, data-pages, enterprise-software
## Connect SOAP Integration in Pega
*   Integration overview using XML-based messaging.
*   Used for legacy enterprise systems like credit bureaus and identity validation.

## Initiating the Wizard
*   Navigation: Dev Studio > Configure > Integration > Connectors > Create SOAP Integration.
*   Automated process to generate classes and rules.

## Consuming the WSDL
*   Case study: Connecting to National Digital Forecast Database (NDFD).
*   Fetching latitude/longitude data based on ZIP codes.

## Service Properties and Mapping
*   Configuration of Service tab: Method Name, SOAP Action header, and Namespace URI.
*   Mapping Request Parameters: Binding Pega properties like `zipCodeList` to the SOAP request envelope.

## Handling Responses
*   Using Parse XML rules to traverse the XML DOM.
*   Converting raw service data into usable Clipboard objects.
*   Node configuration: Setting `latLonList` as an Element type tied to the property context.

## Encapsulation via Data Pages
*   Connectors are wrapped in Data Pages (e.g., `D_LatLongLookup`) for UI abstraction.
*   Use of Request Data Transforms to map input parameters (ZipCode) to connector requirements.

## Testing and Results
*   Validation of the architecture through the Data Page.
*   Example output: Input ZipCode `02142` results in output `42.3758, -71.1187`.
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