1390fe8a_erShell_Scripts_for_SharePoint__Optional__Mandatory
[Example] -UpdateVersions [Description] Indicates how versioning is managed in the destination location. Allowable values for specifying versioning information on import: Append : Appends versioned items on import. Overwrite : Deletes the existing item on import, then reinserts the imported version. Ignore : Ignores versioning. The default value when no parameter is specified is Overwrite. [Optional/ Mandatory] 
Optional
M a n d a t o r y
O p t i o n a l
Copy SharePoint lists and document libraries from one site to another using PowerShell | Get-SPScripts : PowerShell Scripts for SharePoint
Optional/ Mandatory