Problem using PSEval

[jstarbird_7831]

I'm sure I'm just doing something wrong here but I haven't been able to figure it out.
I'm trying to use PSEval in the following:

set $regExists = $PSEval(Test-Path $regPath);

The reg path being used is like this:

HKLM:\SOFTWARE\Wow6432Node\Solutions\Interface (node)

When it is run via Powershell directly I get true or false. When I run it via a plan in BM i get the Cannot assign a Vector value to a Scalar variable error.

I've tried variations as well, such as forcing it to string like so:

set $regExists = $PSEval((Test-Path $regPath).ToString());

But that ends up giving an error about Missing closing ')' in expression.
which there isn't one missing.

Product: BuildMaster
Version: 5.7.3

[Tod]

Try:

    set $regExists = $PSEval("Test-Path $regPath");