toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'dateFrom': dateFrom?.millisecondsSinceEpoch,
'dateTo': dateTo?.millisecondsSinceEpoch,
'durationFrom': durationFrom,
'durationTo': durationTo,
'name': name,
'number': number,
'limit': limit,
'isOutgoing': isOutgoing,
};
}