Could we change the target roas at ad group level via api?

[Congchong Liu]

We try to change the target roas at ad group level. But the api respond that OPERATION_NOT_PERMITTED_FOR_CAMPAIGN_TYPE. We also find a note in this doc https://developers.google.com/adwords/api/docs/reference/v201809/AdGroupService.BiddingStrategyConfiguration.html

Note: Starting with v201705, bidding strategies can only be set on campaigns. In earlier versions, bidding strategies can be set on campaigns, ad groups and ad group criteria.

Does it mean that we can only change the target roas at ad group level via UI? Anyone has successfully changed the target roas at ad group level via api?

[cliu]

We can change the target roas at ad group level via UI

[cliu]

Actually, you can override the target roas at adgroup level by setting targetRoasOverride in the BiddingStrategyConfiguration.

On Thursday, October 31, 2019 at 9:34:58 AM UTC-7, cliu wrote:

[Google Ads API Forum Advisor Prod]

Hi Cliu,

Yes, you are right. You could set the value for the targetRoasOverride field of BiddingStrategyConfiguration to override the target roas specified in the campaign's bidding strategy. Please note, this target can only be set on ad groups. Let us know if you need any further clarifications.

Regards,
Nikisha Patel, Google Ads API Team

ref:_00D1U1174p._5001UKPC11:ref

[Congchong Liu]

Thank you for the clarification. 

[Kevin Weitzner]

For anybody who needs to know how to do this via Python:

ad_group_service = client.GetService(
    'AdGroupService', version='v201809')

# Construct operations and update an ad group.
operations = [{
    'operator': 'SET',
    'operand': {
        'id': adgroup_id,
        'biddingStrategyConfiguration': {
      'targetRoasOverride': target
        }
    }
}]

ad_groups = ad_group_service.mutate(operations)

To note: If you use ad group service selector the value does not show, which is odd.. but in the UI everything will reflect the correct ROAS.