.
├── docs
│ └── get-started.tsx
└── docs.tsx

// get-started.tsx
export default function GetStarted() {
 return <h1></h1>
}
export const title = "Get Started"

// docs.tsx
export default function Docs(props) {
 if (props.Page) {
 // I want to get child named export via
 // props.pageProps.title or
 // props.title
 return <props.Page />
 }
 return <></>
}

// pages/docs/installation.mdx
---
title: hello
---
# hello

export const title = "hello"
function MDXContent() {
 ...
}
export default MDXContent