Drawing lines on the map?

Ok. Got it working.

New-UDMapVectorLayer -FillColor "black" -FillOpacity 100 -opacity 100 -weight 50 -Polyline -Positions @(
                @("37", "-75");
                @("38", "-76")
            )

@adam, can this be added to the documentation for future people?

EDIT:
Found a fork of old UD documentation that specifically shows it should be an array of arrays.

The current help/documentation just says it’s an object