I want to add header AppVersion
to my chrome os app
here what I did
chrome.webRequest.onHeadersReceived.addListener(
function(details) {
const newHeader = {name:"appVersion", value:"chrome|2.1"};
const responseHeaders = details.responseHeaders.concat(newHeader);
return { responseHeaders };
},
// filters
{
urls: ["https://website.link/*"],
},
// extraInfoSpec
["blocking","responseHeaders", "extraHeaders"]
);
but it is not working