toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (adGroupId != null) 'adGroupId': adGroupId!,
if (adId != null) 'adId': adId!,
if (advertiserId != null) 'advertiserId': advertiserId!,
if (agencyId != null) 'agencyId': agencyId!,
if (campaignId != null) 'campaignId': campaignId!,
if (engineAccountId != null) 'engineAccountId': engineAccountId!,
if (keywordId != null) 'keywordId': keywordId!,
};