> For the complete documentation index, see [llms.txt](https://karansingh.gitbook.io/aws-saa-c02/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://karansingh.gitbook.io/aws-saa-c02/serverless/aws-sam-serverless-application-model.md).

# AWS SAM (Serverless Application Model)

* The AWS Serverless Application Model (AWS SAM) is an **open-source framework that you can use to build serverless applications on AWS**.

* A **serverless application is a combination of Lambda functions, event sources, and other resources that work together to perform tasks**.<br>

* You can **use AWS SAM to define your serverless applications**.