attributeValues.add(dateAttributeValue);
feedItem.setAttributeValues(
attributeValues.toArray(new FeedItemAttributeValue[attributeValues.size()]));
feedItem.setAdGroupTargeting(new FeedItemAdGroupTargeting(adGroupId));
FeedItemOperation feedItemOperation = new FeedItemOperation();
feedItemOperation.setOperand(feedItem);
feedItemOperation.setOperator(Operator.ADD);