I noticed https://docs.microsoft.com/en-us/microsoft-edge/webview2/howto/webdriver
The WebView2 is by Microsoft. I did not know it was able to automate with WebDiver. The automation name should be webview2 , the binary should be the app under test. Then, the msedgedriver launches the app under test and establish a connection to the WebView2.
So, something like below:
{
"browserName": "webview2",
"ms:edgeOptions": {
"binary": "path/to/app.exe"
}
}