toJson method
Implementation
Map<String, dynamic> toJson() => {
'to': to.map((e) => e.toJson()).toList(),
'cc': cc?.map((e) => e.toJson()).toList(),
'bcc': bcc?.map((e) => e.toJson()).toList(),
'subject': subject,
'headers': headers,
'substitutions': substitutions,
'custom_args': customArgs,
'send_at': sendAt?.toUtc().millisecondsSinceEpoch,
'dynamic_template_data': dynamicTemplateData,
};