launch.json

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Attach to SAM CLI",
      "type": "node",
      "request": "attach",
      "address": "localhost",
      "port": 9999,
      "localRoot": "${workspaceRoot}",
      "remoteRoot": "/var/task",
      "protocol": "inspector",
      "stopOnEntry": false,
      "timeout": 3000000
        }
  ]
}