getting ssm parameter in node lambda

node_lambda_ssm_parameter.js

var AWS = require('aws-sdk');
var ssm = new AWS.SSM();

exports.handler = function(event, context) {
    // TODO implement
    console.log('What is the secret??');
    console.log(process.env.secret1);
    
    getParameterFromSystemManager(function(){
        console.log('done');
    context.done(null, 'Hello from Lambda');
    });
    
};

function getParameterFromSystemManager(callback) {
    
    // Fetches a parameter called REPO_NAME from SSM parameter store.
    // Requires a policy for SSM:GetParameter on the parameter being read.
    var params = {
        Name: 'REPO_NAME',
        /* required */
        WithDecryption: /*true ||*/ false
    };
    console.log('in the getParameterFromSystemManager function')
    var request = ssm.getParameter(params, function(err, data) {
        if (err) console.log(err, err.stack); // an error occurred
        else console.log(data); // successful response
        
        callback();
    });


}