Call Lambda function from Lambda function

lambda-proxy.js

exports.handler = function(event, context, callback) {
    var aws = require('aws-sdk');
    var lambda = new aws.Lambda();

    lambda.invoke({
        FunctionName: 'your-lambda-function-name',
        Payload: JSON.stringify(event)
    }, function(error, data) {
        if (error) {
            context.done('error', error);
        }
        if(data.Payload){
           context.succeed('done')
        }
    });
};