INVALID_FUNCTION_FOR_FEED_WITH_FIXED_SCHEMA error for matchingFunction of AdGroupFeed

[Sabrina Fontanella]

Hi,

We are running into problems while trying to target AdCustomizers (aka a Feed with FeedItems).

Instead of targeting after we create the FeedItems with FeedItemTargets, we would like to pre-target these FeedItems. At the London Google Ads API workshop, we asked if this was possible, and a dev (Nick Birnie) told us this would be possible if we used an AdGroupFeed with a proper `matchingFunction`.

We tried several matchingFunctions, but we are always getting the error `INVALID_FUNCTION_FOR_FEED_WITH_FIXED_SCHEMA`, and we don’t understand what is going wrong.

I will try to make an example in Python of what we are doing using the functionString `IN(FEED_ITEM_ID,{1000001,1000002,1000003})` that I found here:

client = get_adwords_client(customer_id)                                                                                                                                                            
adgroup_feed_service = client.GetService('AdGroupFeedService', version='v201809')                                                                                                                  

    adgroup_feed = [

        {

            'operator': 'ADD',

            'operand': {

                'feedId': 94609766,

                'adGroupId': 72306866320,

                'matchingFunction': {

                    'functionString': 'IN(FEED_ITEM_ID,{1000001,1000002,1000003})'

                },

                'placeholderTypes': ['10'],

            },

        }

    ]

result = adgroup_feed_service.mutate(adgroup_feed)  

This is the error that I am obtaining:

{

    'ListReturnValue.Type': 'AdGroupFeedReturnValue',

    'value': [

        None

    ],

    'partialFailureErrors': [

        {

            'fieldPath': 'operations[0].operand.matchingFunction',

            'fieldPathElements': [

                {

                    'field': 'operations',

                    'index': 0

                },

                {

                    'field': 'operand',

                    'index': None

                },

                {

                    'field': 'matchingFunction',

                    'index': None

                }

            ],

            'trigger': 'Function{operator=IN, lhsOperand=[RequestContextOperand{contextType=FEED_ITEM_ID}], lhsOperandOps=null, rhsOperand=[ConstantOperand{type=INTEGER, unit=NONE, longValue=1000001, doubleValue=null, booleanValue=null, stringValue=null}, ConstantOperand{type=INTEGER, unit=NONE, longValue=1000002, doubleValue=null, booleanValue=null, stringValue=null}, ConstantOperand{type=INTEGER, unit=NONE, longValue=1000003, doubleValue=null, booleanValue=null, stringValue=null}], rhsOperandOps=null, functionString=null}',

            'errorString': 'FunctionError.INVALID_FUNCTION_FOR_FEED_WITH_FIXED_SCHEMA',

            'ApiError.Type': 'FunctionError',

            'reason': 'INVALID_FUNCTION_FOR_FEED_WITH_FIXED_SCHEMA'

        }

    ]

}

Do you see something wrong with what we are doing?

Furthermore, if you would have also other suggestion for doing pre-targeting that would be also helpful.

Thank you for the help,

Sabrina

[googleadsapi...@google.com]

Hi Sabrina,

Thank you for contacting support. So I can further investigate, could you provide the complete SOAP request and response logs that were generated when the error occurred? If you haven't yet, you may enable SOAP logging by referring to this guide for Python.

Once enabled, you may send the SOAP logs privately using the Reply privately to author option.

Best regards,

Peter

Google Ads API Team

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Also find us on our blog and discussion group:
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    https://developers.google.com/adwords/api/community/
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[Sabrina Fontanella]

Hi, 

I exchanged some private messages about this problem in May and I was told that it was work in progress.

Do you maybe have other news about it? 

Thank you in advance.

Regards,

Sabrina

[Google Ads API Forum Advisor Prod]

Hi Sabrina,

My apologies for the delayed responses and for the inconvenience.

Our team is still looking into this issue. Rest assured that we will provide updates when available.

Regards,
Ejay
Google Ads API Team

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[Google Ads API Forum Advisor Prod]

Hi Sabrina,

Apologies for the delayed response. The matching function you're using appears valid, it looks like the issue is with the Feed that you're trying to update. Have you been able to successfully update any other Feeds aside from the one mentioned below with ID 94609766? Also do you know if this Feed was created using the API or via the Google Ads website?

Thanks!
Ben, Google Ads API Team

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