DESCRIPTION:
NAME: Add-SPLookupField
Adds a Lookup Field to a SP List
PARAMETERS:
-url Url to SharePoint Site
-List List Name
-Name Name of the Field
-Description Field Description
-LookupList Lookup List Name
-LookupField If Specified, Lookup Will Display this Field Instead, Default set to ItemName
-Required Boolean Value, If True, Field will be Required
SYNTAX:
Add-SPLookupField -url http://moss -List Users -Name Computer -Description "Users Computer" -LookupList Computers
Adds a Lookup Field in the Users List pointing to the Computers List
Add-SPLookupField -help
Displays the help topic for the script