Local $mcSpec="[TITLE:Minecraft server; CLASS:SunAwtFrame]"
; Local $mcSpec="Minecraft server"

WinActivate($mcSpec)
Local $pos=WinGetPos($mcSpec);
MouseClick("primary",$pos[0]+$pos[2]-30,$pos[1]+$pos[3]-30)
Send("/say Automation comms tested and working{ENTER}",0)