The only way I know to do those hedgings is by creating arrays of trades. That way you can create another array of trades inwhich your hedging positions are stored and managed. Sadly, I do not know how to work with arrays in fxDreema, sorry.
I know roar can do. Maybe he can help you.
You can add this block in the middle of my last project:
Will it be the same account but on different platforms? In that case you will still need a programmer, I'm afraid.
Did you import it to your 'My custom indicator' area in your fxDreema account? If so, can you please share a screenshot of its buffers?
I don't understand those MAXIMA and MINIMA variables are for. Are you selecting them manually?
It should be on top of the launching blocks (buy/sell). Not necessarily on top of all the project. It depends on your specific project. I have no idea about what trader.philipps siggested. I'm not a programmer, I'm afraid. 
What do you exactly mean by 'group of trades cloase all together'?
Are you using a custom indicator? Probably you should choose 'Indicator appears' block.
I these threads can help:
https://fxdreema.com/forum/topic/8399/highs-and-lows/7
https://fxdreema.com/forum/topic/4463/previous-candle-high-low/3
https://fxdreema.com/forum/topic/7203/detect-high-and-low-of-certain-candle/2
I don't think this old thread wil be very helpful now. 
Can you please share your project. Maybe we can help now.
I'm afraid I do not fully understand what you mean. Are you talking about hedging positions?
Yes, you can. But you will need to communicate tow EAs from two different platforms. I know terminal variables are required to do it, but I don't know how, sorry. 
That's a question for a real programmer.
You can also ask for help here.
