toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (description != null) 'description': description!,
if (imageItem != null) 'imageItem': imageItem!,
if (itemId != null) 'itemId': itemId!,
if (pageBreakItem != null) 'pageBreakItem': pageBreakItem!,
if (questionGroupItem != null) 'questionGroupItem': questionGroupItem!,
if (questionItem != null) 'questionItem': questionItem!,
if (textItem != null) 'textItem': textItem!,
if (title != null) 'title': title!,
if (videoItem != null) 'videoItem': videoItem!,
};