toJson method
Implementation
Map<String, dynamic> toJson() {
return <String, dynamic>{
if (asset != null) r'asset': asset,
if (category != null) r'category': category,
if (children != null) r'children': children,
if (equipment != null) r'equipment': equipment,
if (feedback != null) r'feedback': feedback,
if (operations != null) r'operations': operations,
if (organization != null) r'organization': organization,
if (place != null) r'place': place,
if (self != null) r'self': self,
if (tracking != null) r'tracking': tracking,
};
}