toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (endDate != null) 'endDate': endDate!,
if (grp != null) 'grp': grp!,
if (id != null) 'id': id!,
if (impressions != null) 'impressions': impressions!,
if (kind != null) 'kind': kind!,
if (name != null) 'name': name!,
if (spend != null) 'spend': spend!,
if (startDate != null) 'startDate': startDate!,
if (type != null) 'type': type!,
};