toJson method

Map<String, Object> toJson()

Implementation

Map<String, Object> toJson() {
  Map<String, Object> ret = {
    'campaignId': campaignId,
    'variationGroupId': variationGroupId,
    'variationId': variationId,
    'isReference': isReference,
    'key': key
  };
  //Secure before adding the nullable
  if (value != null) ret['value'] = value;
  return ret;
}