"sha256_cert_fingerprints"

"FF:2A:CF:7B:DD:CC:F1:03:3E:E8:B2:27:7C:A2:E3:3C:DE:13:DB:AC:8E:EB:3A:B9:72:A1:0E:26:8A:F5:EC:AF"

}]

Set the package_name value to your Flutter application package name.

Set sha256_cert_fingerprints to the value you got from the previous step.

Host the file at a URL that resembles the following:
<webdomain>/.well-known/assetlinks.json

Verify that your browser can access this file.

Testing