Changes to List Google Ads campaign briefs

added the optional property items/schedule_days/items/day to the response with the 200 status

added the optional property items/schedule_days/items/end_hour to the response with the 200 status

added the optional property items/schedule_days/items/start_hour to the response with the 200 status

the security scope read_only was added to the endpoint's security scheme PersonalAccessTokenAuth

the security scope full_access was removed from the endpoint's security scheme PersonalAccessTokenAuth

the endpoint scheme security PersonalAccessTokenAuth was added to the API

removed the non-success response with the status 422

endpoint added