CmdID / PowerShell / Cmdlets / Get
Get-MailboxCalendarConfiguration
Use the Get-MailboxCalendarConfiguration cmdlet to show the calendar settings for a specified mailbox. Exchange PowerShell reference
From the Exchange PowerShell reference 3 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the mailbox that you want to view.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-MailboxLocation