AI-generated Key Takeaways
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          last_impression_date_time shows the timestamp of the last impression within the last 48 hours for a campaign. 
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          end_date_time indicates the timestamp of when a campaign is scheduled to conclude. 
Details related to Smart campaigns that are eligible to serve.
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 The timestamp of the last impression observed in the last 48 hours for this campaign. The timestamp is in the customer’s timezone and in “yyyy-MM-dd HH:mm:ss” format. | 
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 The timestamp of when the campaign will end, if applicable. The timestamp is in the customer’s timezone and in “yyyy-MM-dd HH:mm:ss” format. |