title: Unable to enable Set a maximum cost per click bid limit and set bid max using google adwords api
body: <p>I have created google adCampaigns, adGroups, Keywords, Ads, Locations using Google Adwords API
  but I am not able to set "Set a maximum cost per click bid limit" using api
  <a href="https://i.stack.imgur.com/IQMsR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/IQMsR.png" alt="enter image description here"></a></p>
  
  <p>I have used this code to set but it's not getting set</p>
  
  <pre><code>       $operations = [];
          // Create ad group with the specified ID.
          $groupId = $adGroup-&gt;getId();
  
          $adGroupNew = new AdGroup();
          $adGroupNew-&gt;setId($groupId);
          $cpcBidMicroAmount = intval($_GET['cpc']) * 1000000;
          // Update the CPC bid if specified.
          if (!is_null($cpcBidMicroAmount)) {
              $bid = new CpcBid();
              $money = new Money();
              $money-&gt;setMicroAmount($cpcBidMicroAmount);
              $bid-&gt;setBid($money);
              $biddingStrategyConfiguration = new BiddingStrategyConfiguration();
              $biddingStrategyConfiguration-&gt;setBids([$bid]);
              $adGroup-&gt;setBiddingStrategyConfiguration($biddingStrategyConfiguration);
          }
  
          // Create ad group operation and add it to the list.
          $operation = new AdGroupOperation();
          $operation-&gt;setOperand($adGroupNew);
          $operation-&gt;setOperator(Operator::SET);
          $operations[] = $operation;
  
          // Update the ad group on the server.
          $adGroupService-&gt;mutate($operations);
  </code></pre>