How to generate unique name for filename everytime we click on oj-sample-export button?

Summary:

I am using oj-sample-export component to download csv file. I want to add a timestamp to the downloaded file for maintaining filename uniqueness.

Content (required):

I am using a JS function to generate a timestamp and appending it to the string in filename property of oj-sample-export.

when i click on download button second time it generates the filename with same timestamp.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

This is the JS code i am using to generate timestamp.

 PageModule.prototype.generateFileName = function () {

 console.log("File Name Generation");