Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.
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# Hello Lambda for the SDK for C++
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## Overview
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This folder provides a CMake "Hello Lambda" project that uses the AWS SDK for C++ to call AWS Lambda (Lambda).
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## ⚠ Important
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* Running this code might result in charges to your AWS account.
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* Running the tests might result in charges to your AWS account.
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* We recommend that you grant your code least privilege. At most, grant only the minimum permissions required to perform the task. For more information, see [Grant least privilege](https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html#grant-least-privilege).
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* This code is not tested in every AWS Region. For more information, see [AWS Regional Services](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services).
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## Run the Hello Lambda app
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### Prerequisites
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Before using this example, first complete the installation and setup steps
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for [Getting started](https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started.html) in the AWS SDK for
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C++ Developer Guide.
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### Instructions
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This example uses the CMake build system. For information about the CMake build system, see https://cmake.org/.
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Many Integrated Development Environments (IDEs) support CMake. If your preferred IDE supports CMake, follow the IDE instructions to open this CMake project.
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You can also build this project from a command line interface using the following commands.
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```sh
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mkdir build
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cd build
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cmake --build ..
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```
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The built executable is named `hello_lambda`.
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You can run this example with the AWS managed policy "arn:aws:iam::aws:policy/AWSLambda_ReadOnlyAccess".
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You can also use CMake to generate the input files for your native build system.
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For more information, see https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html.
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The [CMakeLists.txt](CMakeLists.txt) file contains the build settings. If your build is failing (particularly on Windows), you might need to modify this file.
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The [hello_lambda.cpp](hello_lambda.cpp) file contains the C++ source code, including a "main" function.
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## Additional resources
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* [Lambda Developer Guide](https://docs.aws.amazon.com/lambda/latest/dg/welcome.html)
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* [Lambda API Reference](https://docs.aws.amazon.com/lambda/latest/dg/API_Reference.html)
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* [Lambda C++ APIs](https://sdk.amazonaws.com/cpp/api/LATEST/aws-cpp-sdk-lambda/html/annotated.html)
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* [AWS SDK for C++ Developer Guide](https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/welcome.html)
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---
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Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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