CmdID / PowerShell / Cmdlets / Get
Get-SharingPolicy
Use the Get-SharingPolicy cmdlet to view existing sharing policies that control how users inside your organization can share free/busy and contact information with users outside your organization. Exchange PowerShell reference
From the Exchange PowerShell reference 2 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the sharing policy 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.