I'm working on a script and I want to let the user pass me the name of an object's property.  Basically like Format-List and Format-Table do.  You can tell them which properties to display.  I'm sure it's possible inside a script (as opposed to a compiled cmdlet).

Something like this:

param([string]$propertyName)
Write-Host $_.$propertyName #that doesn't work
Write-Host $_.Property[$propertyName] #that doesn't work either

I thought about doing it with Invoke-Expression but that seemed like overkill. I'm sure there's an easier, more PowerShell-ish way to do it. I bet it's something that will seem totally obvious once I see it.

I've done the typical things with get-member to try to figure it out and I've Googled for it.  I tried searching these forums but the search feature appears to be non-functional for me.  I hope this isn't a question that's already been answered 100 times around here.

 Thanks for the help.

Yes!  Thank you so much.  I had a feeling it was easy.  I never would have thought of that even though I've used the technique myself to call Read-Host as a default value for param arguments.  Now I understand better why that's needed - thanks for the education.