SELECT Caller,RunDate,CmdletName,Succeeded,OriginatingServer,ObjectModified
FROM OpenExchangePSQuery(
    POWERSHELL, '
        Search-AdminAuditLog -Cmdlets New-Mailbox,Set-Mailbox,Mount-Database,Dismount-Database -StartDate (Get-Date).AddDays(-30) -EndDate (Get-Date) | Select Caller,RunDate,CmdletName,Succeeded,OriginatingServer,ObjectModified
              ', POWERSHELL
)