> For the complete documentation index, see [llms.txt](https://awsnotes.dendron.so/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awsnotes.dendron.so/machine-learning/amazon-kendra/topics/how-amazon-kendra-works.md).

# How Amazon Kendra works

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This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/amazon-kendra-developer-guide.git)
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## Data sources

* **Note**\
  To create an index, you don't need a data source. You can add documents directly to an index. For more information, see [Adding documents directly to an index](https://github.com/kevinslin/aws-reference-notes/blob/main/services/amazon_kendra/in-adding-documents.md).