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Introduction

AWS Lambda environment variables use to adjust the function's behavior without updating the code. An environment variable is a pair of strings that are stored in a function's version-specific configuration. Lambda runtime makes environment variables available to our code and sets additional environment variables that contain information about the function and invocation request. We are going to use the addLambdaEnvironmentVariables operation to add the Lambda function environment variables. We can use the file or Input Argument to add the environment variables and the operation also supports encryption of the variables using AWS KMS key. We can select the option to publish a new version, by default operation will not publish the new version. The operation will use the configured AWS cloud account to perform the operation.

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