I want to update a bulk of keywords in a mutate.
// Create criterion using an existing ID. Use the base class Criterion
// instead of Keyword to avoid having to set keyword-specific fields.
$adGroupCriterion->criterion = new Criterion($keywordID);
// Update the bid.
$bid = new CpcBid();
$bid->bid = new Money($teklif * MICROS_PER_DOLLAR);
$biddingStrategyConfiguration = new BiddingStrategyConfiguration();
$biddingStrategyConfiguration->bids[] = $bid;
$adGroupCriterion->biddingStrategyConfiguration = $biddingStrategyConfiguration;
$operation = new AdGroupCriterionOperation();
$operation->operand = $adGroupCriterion;
$operation->operator = 'SET';
$operations[] = $operation;