Why does Campaign metrics.cost_micros different than Campaign "served cost"

I'm trying to use the Google Ads API to get the "served cost" for a campaign on a specific date. I'm currently running this query to try to get that value: SELECT campaign.name, campaign.status, metrics.cost_micros FROM campaign WHERE segments.date >= '2023-01-02' AND segments.date < '2023-01-03

How to set Audience List to "Observation" mode with Python API?

I want to enable the "Observation" setting to see how a campaign is doing against a specific Audience List. I added the Audience list as campaign criteria using the following code: operation = self.client.get_type("CampaignCriterionOperation") campaign_criterion = operation.cre

targeting_settings are empty after creating campaign_criterion

I want to enabled the "Observation" setting to see how a campaign is doing against a specific Audience List. I added the Audience list as campaign criteria using the following code: operation = self.client.get_type("CampaignCriterionOperation") campaign_criterion = operation.cr