toJson method
Implementation
Map<String, dynamic> toJson() {
final data = <String, dynamic>{};
data['m.call_id'] = call_id;
if (foci != null) {
data['m.foci'] = foci;
}
if (devices.isNotEmpty) {
data['m.devices'] = devices.map((e) => e.toJson()).toList();
}
return data;
}