getWebViewUrl method
Implementation
String? getWebViewUrl(CustomMessage? messageObject) {
if (messageObject != null &&
messageObject.customData != null &&
messageObject.customData!.containsKey("document")) {
Map? document = messageObject.customData?["document"];
if (document != null && document.containsKey("document_url")) {
return document["document_url"];
}
}
return null;
}