# Extract

The Extract node is responsible for pulling data from a source connection and passing that data into the workflow for processing and eventually upload.

## Anatomy

<figure><img src="https://688288018-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1flQ2To8tQpCQWl2Ty9U%2Fuploads%2FJikZRjIZ5d3KJmWQKQmM%2FETL%20Extract%20Node.png?alt=media&#x26;token=f6317e5c-e151-464f-adea-b8f9ba026a27" alt=""><figcaption></figcaption></figure>

1. The connection where the source data is hosted.
2. The location of the source data itself.
3. The preview button.

## Preview

With the Extract node, you can preview the source data by pressing the Preview button.

<figure><img src="https://688288018-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1flQ2To8tQpCQWl2Ty9U%2Fuploads%2FL4aFBJ2TPQ26lD8Jx0dr%2FETL%20Extract%20Node%20Preview.png?alt=media&#x26;token=af639b43-dfba-41b4-aba8-156517ee20ee" alt=""><figcaption></figcaption></figure>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://glyue.docs.sandboxbanking.com/etl/workflows/extract.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.