# Web services lookup

## <img src="/files/QtVg2rfBKWzOfnVczqTE" alt="" data-size="line"> Web services lookup

### Description <a href="#description" id="description"></a>

The Web Services Lookup transform performs a Web Services lookup using the Web Services Description Language (WSDL).

| Hop Engine | <sup>✓</sup> |
| ---------- | ------------ |
| Spark      | ?            |
| Flink      | ?            |
| Dataflow   | ?            |

### Options

| Option                      | Description                                                                                                                                                                                                                                                                                                               |
| --------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Transform Name              | Name of the transform this name has to be unique in a single pipeline.                                                                                                                                                                                                                                                    |
| URL                         | The base URL pointing to the WSDL document that will be retrieved.                                                                                                                                                                                                                                                        |
| Load (button)               | The load button loads the WSDL at the specified URL and tries to automatically populate the input and output tabs and fields. NOTE: If this doesn’t work, you can still try to manually specify the input and output fields using the "Add Input" and "Add Output" buttons.                                               |
| The number of rows per call | The number of rows to send with each WSDL call.                                                                                                                                                                                                                                                                           |
| Pass input data to output   | If you disable this, the input will be eaten and only the WSDL output will be passed along to the next transforms. v2.x/3.x compatibility mode We improved the parsing engine of the 3.x engine dramatically. For compatibility reasons, we kept the old engine around to make sure older transforms would still work OK. |
| Repeating element name      | Specify the name of the repeating element in the output XML (if any).                                                                                                                                                                                                                                                     |
| HTTP authentication         | Here you can put the username and password if these are required for the web service.                                                                                                                                                                                                                                     |
| Proxy to use                | Here you can optionally put the proxy host and port information.                                                                                                                                                                                                                                                          |
| Add Input / Add Output      | These buttons will allow you to manually specify the input and output specifications of the WSDL service. Note: The data of the input fields can be escaped by the Calculator transform and the function "Mask XML content from string A"                                                                                 |


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