toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> jsonMap = {
"percentage": percentage,
"inclVat": inclVat,
"exclVat": exclVat,
"vat": vat,
"groupId": groupId,
"groupName": groupName,
"isHidden": isHidden,
};
return jsonMap;
}