Example.ps1

Register-EditorCommand `
    -Name "Demo.Editors" `
    -DisplayName "Editors Demo" `
    -SuppressOutput `
    -ScriptBlock {
        param([Microsoft.PowerShell.EditorServices.Extensions.EditorContext]$context)      
        
                $SelectedText = $Context.CurrentFile.GetText($context.SelectedRange)


        New-TestFromText -Text $SelectedText
        
    }