diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 29c0005..797a085 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -102,17 +102,28 @@ export default function RootLayout({
/>
-
+ id="google-tag-manager"
+ strategy="afterInteractive"
+ dangerouslySetInnerHTML={{
+ __html: `
+ (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+ new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+ j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+ 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+ })(window,document,'script','dataLayer','GTM-P32GFLD5');
+ `,
+ }}
+ />
+
{
+ if(window.dataLayer){
+ window.dataLayer.push({
+ 'event': 'pdf_download_start',
+ 'paper_title': name,
+ 'paper_url': url,
+ });
+ }
const fileName = `${name}.pdf`;
await downloadFile(url, fileName);
};
diff --git a/src/global.d.ts b/src/global.d.ts
new file mode 100644
index 0000000..4a5feb9
--- /dev/null
+++ b/src/global.d.ts
@@ -0,0 +1,8 @@
+type DataLayer = Array>;
+
+interface Window {
+ dataLayer: DataLayer;
+}
+
+// eslint-disable-next-line no-var
+ declare var dataLayer: DataLayer;
\ No newline at end of file