Make the mouse go click

ClickyClicky.ps1

Add-Type -AssemblyName System.Windows.Forms
$screen = [System.Windows.Forms.SystemInformation]::VirtualScreen
[Windows.Forms.Cursor]::Position = "$($screen.Width),$($screen.Height)"
function Click-MouseButton
{
    $signature=@' 
      [DllImport("user32.dll",CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
      public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);
'@ 

    $SendMouseClick = Add-Type -memberDefinition $signature -name "Win32MouseEventNew" -namespace Win32Functions -passThru 

        $SendMouseClick::mouse_event(0x00000002, 0, 0, 0, 0);
        $SendMouseClick::mouse_event(0x00000004, 0, 0, 0, 0);
}

Click-MouseButton