​
Install

When using Next.js, you do not have direct access to the index.html or template HTML file. You must define the structure of your RUM application with one of the following methods:

​
App Router

Define the structure of your application with app routers.

Click here for more information on integrating third party libraries with Next.js using app structure.

Apply the following script to your application code:

Next.js
import Script from "next/script"

export default function RootLayout({
children,
}: {
children: React.ReactNode
}) {

return (
    <html lang="en">
    <head>
        <Script
        strategy="beforeInteractive"
        id="middleware-lib-init"
        src="https://cdnjs.middleware.io/browser/libs/0.0.1/middleware-rum.min.js"
        type="text/javascript"
        />
        <Script
        strategy="beforeInteractive"
        id="middleware-script-init">
        {
            `
            if (window.Middleware){
                window.Middleware.track({
                serviceName: "nextjs-service-name",
                projectName: "nextjs-project-name",
                accountKey: "<REDACTED>",
                target: "https://name.middleware.io",
                tracePropagationTargets: [/localhost:3000/i]
                });
            }
            `
        }
        </Script>
    </head>
    <body>
        {children}
    </body>
    </html>
)
}

​
Page Router

Define the structure of your application with page structure.

Click here for more information on integrating third party libraries with Next.js using page structure.

Apply the following script to your application code:

Next.js
import Script from 'next/script'

export default function MyApp({ Component, pageProps }) {
return (
    <>
    <Component {...pageProps} />
    <Script
        strategy="beforeInteractive"
        id="middleware-lib-init"
        src="https://cdnjs.middleware.io/browser/libs/0.0.1/middleware-rum.min.js" 
        type="text/javascript"
        />
        <Script
        strategy="beforeInteractive"
        id="middleware-script-init">
        {
            `
            if (window.Middleware){
                window.Middleware.track({
                serviceName: "nextjs-service-name",
                projectName: "nextjs-project-name",
                accountKey: "<REDACTED>",
                target: "https://name.middleware.io",
                tracePropagationTargets: [/localhost:3000/i]
                });
            }
            `
        }
        </Script>
    </>
)
}

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