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And the following search string which you should also add to the Search String field in the schedule:
imageAndUsageInformation.expiryDate:[now+9d TO now+10d] OR multimediaAndUsageInformation.expiryDate:[now+9d TO now+10d] OR otherContentAndUsageInformation.expiryDate:[now+9d TO now+10d] OR documentAndUsageInformation.expiryDate:[now+9d TO now+10d]
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