from property

String? from
final

[final String? from;[ is declaring an optional instance variable [from[ of type [String[. The [?[ after the type [String[ indicates that the variable can be [null[. This variable can be used to pass a string value to the [InAppWebView[ widget, which can be used to identify the source of the web page being loaded in the [WebView[. It is not being used in the code provided and can be removed if not needed.

Implementation

final String? from;