Hi,
Thank you for reaching out to the Google Ads API support team.
The Forecast metrics provide metrics for proposed or existing campaigns, including: impressions, click through rate, average cost per click, clicks, cost. I would suggest you refer to the Generate forecast metrics document for more information. To generate metrics you need to complete the steps mentioned in this. Also, you may check this sample code to generate forecast metrics.
Hope this helps. Let us know if you have any further questions.
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Google Ads API Team |