# Get each version details of a particular Item in a List/Library
# To Know the value in a custom column when the particular version was created
# For e.g Lets say there is custom column named 'User' in a list.
# And each time when the particular item is Modified by different user then the 'User' column also get updated per each version.
# Such as for Version 1.0=====> User: Mr. ABC
# Version 2.0=====> User: Mr. XYZ
# Version 3.0=====> User: Mr. DEF
# So this code helps to retrieve the value in 'User' Column
Add-PSSnapin Microsoft.Sharepoint.Powershell
$WebUrl = “http://server:port/Site”
$SPWeb = Get-SPWeb -Identity $WebUrl
$SPList = $SPWeb.Lists["List Name"]
$SPItem = $SPList.Items | Where-Object {$_['ID'] -eq "100"}
# Counts the number of Versions of an item
$VerCount = $SPItem.Versions.Count;
# Declare an array
$Test = @(0..$VerCount)
# Create a dictionary object
$dictionary = New-Object 'System.Collections.Generic.Dictionary[String,String]'
# Iterate through each version of an item
foreach($Ver in $SPItem.Versions)
{
if($VerCount -gt 0)
{
$VersionLabel = $Ver.VersionLabel
$CustomColVal = $Ver.Item("Custom Column")
$User = $UploadUser
$dictionary.Add($VersionLabel,$CustomColVal)
}
}
return $dictionary
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