I am calling my background.js file from content script but i don't know how to open my popup.html file like normally it's open when we click on extension icon.

background.js

 chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
    if (request.message == 'buttonClicked') {
        console.log(request.message)
        chrome.tabs.update({
            active: true,
            url:  'sidepopup.html'
        }, null);
   }
  });