AWS lambda add PATH variable?

I need to append the root path of the ZIP file for Amazon Lambda function because I have placed an executable file there.

I have tried: PATH = "$PATH:$LAMBDA_TASK_ROOT:/"

It did not work.

How do I set environment variables in serverless?

To reference environment variables, use the ${env:SOME_VAR} syntax in your serverless. yml configuration file. It is valid to use the empty string in place of SOME_VAR . This looks like " ${env:} " and the result of declaring this in your serverless.

Does Lambda support for environment variables?

Lambda functions come with a set of default environment variables. These environment variable names are reserved, and users will not be able to overwrite them.

You can set it in the lambda console itself by modifying the environment variables.

environment-variables