toMap method
Implementation
Map<String, dynamic> toMap() {
final result = <String, dynamic>{};
if (user_id != null) {
result.addAll({'user_id': user_id});
}
if (name != null) {
result.addAll({'name': name});
}
if (email != null) {
result.addAll({'email': email});
}
if (phone != null) {
result.addAll({'phone': phone});
}
return result;
}