I finally found the answer.
The hint is in the
docs: https://developers.google.com/adwords/api/docs/guides/labels
But bonus mutateLabels is not a valid function for adgroups so digging into
the library code I found "mutateLabel" and voila.
$adGroupService->mutateLabel($operations);
Is what you'll need.
On Friday, November 24, 2017 at 3:58:12 PM UTC-5, John VV wrote:
>
>
> I am using the PHP Library to add a label to an adGroup but having some
> problems with the operation:
>
> $ad_group_id = '123456';
> $labels = array('78910');
> operations = array();
> foreach($labels as $label_id){
> $adGroupLabel = new AdGroupLabel();
> $adGroupLabel->setAdGroupId($ad_group_id);
> $adGroupLabel->setLabelId($label_id);
> $operation = new AdGroupLabelOperation();
> $operation->setOperand($adGroupLabel);
> $operation->setOperator(Operator::ADD);
> $operations[] = $operation;
> }
> $result = $adGroupService->mutate($operations);
>
>
>
> But I get the error
> Unmarshalling Error: cvc-elt.4.3: Type 'ns1:AdGroupLabelOperation' is not
> validly derived from the type definition, 'AdGroupOperation', of element
> 'ns1:operations'.
>
>
> Sadly there are very few examples of this so hopefully I can find some
> insight in sharing my problem.
>
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