toJson method
Implementation
Map<String, dynamic> toJson() {
final htmlPart = this.htmlPart;
final subject = this.subject;
final textPart = this.textPart;
return {
if (htmlPart != null) 'HtmlPart': htmlPart,
if (subject != null) 'Subject': subject,
if (textPart != null) 'TextPart': textPart,
};
}