Hi,

Below is my implementation using the PHP client library.

$user               = new AdWordsUser();
$user->SetClientCustomerId($_SESSION['adwordClientId']);
$adGroupId          = 'INSERT_ADGROUP_ID';
$keywordCriterionId = 'INSERT_CRITERION_ID';

$adGroupCriterionService = $user->GetService('AdGroupCriterionService', 
ADWORDS_VERSION);
$criterion               = new Criterion();
$criterion->id           = $keywordCriterionId;

$biddableAdgroupCriterion = new BiddableAdGroupCriterion();
$biddableAdgroupCriterion->adGroupId = $adGroupId;
$biddableAdgroupCriterion->criterion = $criterion;

$CPCbid      = new CpcBid();
$CPCbid->bid = new Money(500000);

$biddingStrategyConfiguration = new BiddingStrategyConfiguration();
$biddingConfig                = new Bids();
$biddingConfig->bids          = $CPCbid;
$biddableAdgroupCriterion->biddingStrategyConfiguration = $biddingConfig;

// Create operation.
$operation           = new AdGroupCriterionOperation();
$operation->operand  = $biddableAdgroupCriterion;
$operation->operator = 'SET';

$operations = array($operation);

// Make the mutate request.
$result = $adGroupCriterionService->mutate($operations);

However I get the following errors
1. Undefined index: bids in 
C:\xampp\htdocs\SEM\application\helpers\adwords\src\Google\Api\Ads\AdWords\v201309\AdGroupCriterionService.php
 
on line 1068
2. Fatal error: Cannot access empty property in 
C:\xampp\htdocs\SEM\application\helpers\adwords\src\Google\Api\Ads\AdWords\v201309\AdGroupCriterionService.php
 
on line 1068

Can someone help me understand the errors. Thanks

On Tuesday, December 17, 2013 5:23:31 AM UTC-8, Anash P. Oommen (AdWords 
API Team) wrote:
>
> Hi Jaison,
>
> You need to use AdGroupCriterionService. See 
> https://code.google.com/p/google-api-adwords-dotnet/source/browse/examples/adwords/CSharp/v201309/BasicOperations/UpdateKeyword.csfor
>  a C# example. Varta's approach works too, if you are using AdWords 
> Scripts instead of AdWords API. If that's the case, you can use his script, 
> or ask on https://groups.google.com/forum/#!forum/adwords-scripts.
>
> Cheers,
> Anash P. Oommen,
> AdWords API Advisor.
>
> On Monday, December 16, 2013 7:53:48 AM UTC-5, jaison....@gmail.com wrote:
>>
>> Hi,
>>
>> Can someone give me a few pointers on how I can go about modifying a 
>> specific keyword bid for a particular AdGroup.
>>
>> Thanks
>>
>

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