AWS Toolkit for Visual Studio Code

The AWS Toolkit for Visual Studio Code (VS Code), or simply the Toolkit, is an extension that enables you to interact with certain services of Amazon Web Services (AWS) from within the VS Code editor.

The following screenshots show important parts of the Toolkit.

Fundamental UI Components

The AWS Explorer

The CDK Explorer

AWS Commands in the Command Palette

Contents

• Feature Overview
• Setup
• Features
• Appendix A: AWS Commands
• Appendix B: Get Help

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Feature Overview

You can use the AWS Toolkit for VS Code to interact with several AWS resources in various ways.

These include the following:

• AWS serverless applications

• AWS Lambda functions

• AWS CloudFormation stacks

• AWS Cloud Development Kit (AWS CDK) applications

• Amazon EventBridge schemas

• Amazon Elastic Container Service (Amazon ECS) task definition files

See Features below for high-level details, or jump right into the AWS Toolkit for Visual Studio Code User Guide.

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Setup

To access most features of the AWS Toolkit for VS Code, you must complete the steps defined in the Setting Up topic of the user guide.

These steps include the following:

1. Create an AWS account (see the Prerequisites in the user guide and also these additional details)
2. Create and configure a set of AWS credentials (see Establishing Credentials in the user guide)
3. Connect the Toolkit to AWS using those credentials (see Connecting to AWS in the user guide)

To use the Toolkit to develop serverless applications with AWS, you must also set up your toolchain and do the following on the local machine where the Toolkit is installed:

1. Install the AWS Command Line Interface (AWS CLI)
2. Install and start Docker (also see this general information about Docker)
3. Install the AWS SAM CLI

For complete setup instructions for these three components, see Installing the AWS SAM CLI in the AWS Serverless Application Model (AWS SAM) Developer Guide.

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Features

• Serverless Applications, Lambda Functions, and CloudFormation Stacks
• AWS CDK Applications
• Amazon EventBridge Schemas
• Amazon ECS Task Definition Files

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Serverless Applications, Lambda Functions, and CloudFormation Stacks

The AWS Toolkit for VS Code enables you to develop AWS serverless applications locally. It also enables you to do the following through the AWS Explorer:

• Deploy your locally-developed AWS serverless applications to an AWS account, into an AWS CloudFormation stack
• List and delete AWS CloudFormation stacks
• List, invoke, and delete AWS Lambda functions

The following example shows a highlight of this functionality.

After you have created a serverless application, you can locally run, debug, and further develop that application in the VS Code editor. For example:

Take special note of the CodeLenses that enable you to run and debug the application locally.

The status and results are shown in the OUTPUT panel when the AWS Toolkit output channel is selected.

When you're satisfied, you can deploy your application to a CloudFormation stack and then run the Lambda function on AWS.

For full details, see the AWS Explorer in the Toolkit's user guide.

Additional Information about CodeLenses

The functions that have Codelenses are those that use AWS Lambda-function handler syntax. A handler is a function that Lambda calls to start execution of a Lambda function. These CodeLenses enable you to locally run or debug the corresponding serverless application. CodeLens actions in the Toolkit include:

• Configure, for specifying function configurations such as an event payload and environment variable overrides.
• Run Locally, for running the function without debugging.
• Debug Locally, for running the function with debugging.

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AWS CDK Applications

The AWS Toolkit for VS Code enables you to work with AWS Cloud Development Kit (AWS CDK) applications. Using the CDK Explorer on the Toolkit, you can view CDK applications within your Workspace that have been synthesized.

Example:

For full details, see the CDK Explorer in the Toolkit's user guide.

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Amazon EventBridge Schemas

The AWS Toolkit for VS Code provides support for Amazon EventBridge schemas. Using the AWS Explorer of the Toolkit, you can perform the following operations on these schemas:

• View an available schema
• Search for an available schema
• Generate code for an available schema

Example:

For full details, see Working with Amazon EventBridge Schemas in the Toolkit's user guide.

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Amazon ECS Task Definition Files

The AWS Toolkit for VS Code provides support for Amazon Elastic Container Service (Amazon ECS). With the Toolkit installed in VS Code, IntelliSense functionality is provided for Amazon ECS task-definition files that you are updating in the editor.

Example:

For full details, see Working with Amazon Elastic Container Service in the Toolkit's user guide.

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Appendix A: AWS Commands

The AWS Toolkit for VS Code has several features that you can access through the Command Palette (select View, then Command Palette):

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Appendix B: Get Help

For additional details on how to use the AWS Toolkit for VS Code, see the user guide.

To report issues with the Toolkit or to propose Toolkit code changes, see the aws/aws-toolkit-vscode repository on GitHub.

You can also contact AWS directly.

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