toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (description != null) 'description': description!,
if (eventTime != null) 'eventTime': eventTime!,
if (taskExecution != null) 'taskExecution': taskExecution!,
if (taskState != null) 'taskState': taskState!,
if (type != null) 'type': type!,
};