toJson method
Implementation
Map<String, dynamic> toJson() => {
'type': type,
'id': id,
if (name != null) 'name': name,
if (firstName != null) 'first_name': firstName,
if (lastName != null) 'last_name': lastName,
if (email != null) 'email': email,
if (objectType != null) 'object_type': objectType,
if (relation != null) 'relation': relation,
};