toJson method
Implementation
Map<String, dynamic> toJson() {
final map = <String, dynamic>{};
map['gridCode'] = _gridCode;
if (_enter != null) {
map['enter'] = _enter?.toJson();
}
if (_exit != null) {
map['exit'] = _exit?.toJson();
}
map['naviPoiID'] = _naviPoiID;
return map;
}