Specifically, the types of campaigns that would be affected are those with an
DISPLAY_GMAIL_AD, where the following operations will fail with an
OPERATION_NOT_PERMITTED_FOR_CONTEXTerror and a trigger of
- Creating a new Gmail campaign.
- Creating a new Gmail ad group.
- Creating or updating Gmail ads.
There is no general workaround for API users to continue to be able to target Gmail specifically. If you would like to continue to target Gmail, you can use Discovery campaigns, which include Gmail ads, in the Google Ads web interface.
If you have any questions, please leave a post on our forum so that we can help.