Check if a Person or Group column is empty in PowerShell

Question

I have a Task owner column in SharePoint which is a Person or Group column. I am trying to check if this column is empty in Powershell

if($_["Task Owner"] -eq null)

This gives me the below error

you must provide a value expression following the '-eq' operator

Any help would be appreciated, TIA

Answer 1

The issue is that PowerShell expects null value to be specified as $null,

In your case, this is the correct syntax:

if($_["Task Owner"] -eq $null)

Answer 2

My bad, I missed the $ in front of the null

It worked once I changed null to $null

if($_["Task Owner"] -eq $null)