CmdID

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New-SharingPolicy

Use the New-SharingPolicy cmdlet to create a sharing policy to regulate how users inside your organization can share calendar and contact information with users outside the organization. Exchange PowerShell reference

From the Exchange PowerShell reference 7 parameters Its page in the reference

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Parameters

7 in the Exchange PowerShell reference
-NameThe Name parameter specifies the name of the new sharing policy.
-DomainsThe Domains parameter specifies the domains and the associated sharing options for those domains in the sharing policy.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-DefaultThe Default switch specifies that this sharing policy is the default sharing policy for all mailboxes.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.
-EnabledThe Enabled parameter specifies whether to enable the new sharing policy.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.