[Flutter] How do I scan for Bluetooth Advertising data?

I'm fresh into Flutter and have a use case where I want to advertise some data from my device .. I found this package to help me with the same, Upon referring the docs and some more I managed this -

void advertise() async {
try {
String advertisingName = 'Advertising Name';
print('Advertise function called'); // Debug print statement
print('Advertising data: $advertisingName'); // Print the data being advertised
bool a = await Nearby().startAdvertising(
advertisingName,
Strategy.P2P_POINT_TO_POINT, // https://developers.google.com/nearby/connections/strategies
onConnectionInitiated: (String id, ConnectionInfo info) {
print('Connection initiated with id: $id'); // Debug print statement
},
onConnectionResult: (String id, Status status) {
print('Connection result for id: $id, status: $status'); // Debug print statement
},
onDisconnected: (String id) {
print('Disconnected from id: $id'); // Debug print statement
},
serviceId: "com.yourdomain.appname",

);
print('Advertising started: $a');
} catch (exception) {
print('Exception occurred: $exception'); // Debug print statement
}
}


When I call the function I get the 'Advertising data: Advertising Name' & 'Advertise function called',but when I check for my device on another device in an app like nRF, I don't find my device or anything? What am I missing here? Any alternative approaches are also welcomed.

Thanks.

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