Get audit logs starting from a specific date
Get-PCAuditRecords -startDate '2017-04-12'
Get audit logs between two dates
Gett-PCAuditRecords -startDate '2017-04-12' -endDate '2017-04-13'
Get audit logs of a specific operationType between two dates
Get-PCAuditRecords -startDate '2017-04-12' -endDate '2017-04-13' | ? operationType -EQ 'delete_customer_user'