If one position is closed, the other must be closed too

Hello,

I need a script who run on 2 different mt4 clients.

For selected positions, if one is closed for any reason, the other has to be closed immediately and vice versa.

EDIT : 2 different client on one pc

With these features :

- selection of positions by order number

- manual button to close simultaneously the 2 positions

- visual indicator when the script is enabled

- Bonus : a feature who simply shows the broker time, nothing more.