# Using Lambda Functions

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This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/amazon-lex-developer-guide.git)
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## Lambda Function Input Event and Response Format

* **Note**\
  The input format may change without a corresponding change in the `messageVersion`. Your code should not throw an error if new fields are present.


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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://awsnotes.dendron.so/machine-learning/amazon-lex/topics/using-lambda-functions.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.