# Sources

- [Can I use data from unstructured documents in dataflows?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/can-i-use-data-from-unstructured-documents-in-dataflows.md)
- [Can I extract data from fillable PDF forms in Astera?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/can-i-extract-data-from-fillable-pdf-forms-in-astera.md)
- [Does Astera support extraction of data residing in online sources?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/does-astera-support-extraction-of-data-residing-in-online-sources.md)
- [How do I process multiple files in a directory with a single execution of a flow?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/how-do-i-process-multiple-files-in-a-directory-with-a-single-execution-of-a-flow.md)
- [Can I write information from the File System Items Source to the destination?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/can-i-write-information-from-the-file-system-items-source-to-the-destination.md)
- [Can I split a source file into multiple files based on record count?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/can-i-split-a-source-file-into-multiple-files-based-on-record-count.md)
- [Does Astera support data extraction from unstructured docs or text files?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/does-astera-support-data-extraction-from-unstructured-docs-or-text-files.md)
- [What is the difference between full and incremental loading in database sources?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/what-is-the-difference-between-full-and-incremental-loading-in-database-sources.md)
- [How is the File System Items Source used in a Dataflow?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/how-is-the-file-system-items-source-used-in-a-dataflow.md)
- [How does the PDF Form Source differ from the Report Source in Astera?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/how-does-the-pdf-form-source-differ-from-the-report-source-in-astera.md)
- [Does Astera support extraction of data from EDI files?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/does-astera-support-extraction-of-data-from-edi-files.md)
- [How does the Raw Text Filter option work in file sources in Astera?](https://documentation.astera.com/astera-data-stack-v10/faqs/sources/how-does-the-raw-text-filter-option-work-in-file-sources-in-astera.md)


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# Agent Instructions: Querying This Documentation

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

```
GET https://documentation.astera.com/astera-data-stack-v10/faqs/sources.md?ask=<question>
```

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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.