Automatically close an order that was opened manually if indicator gives an opposit signal

I'm looking for someone who can program an EA that will automatically close a manually opened position when this indicator

https://www.mql5.com/de/market/product/26888?source=Site+Market+MT4+Indicator+Search+Rating006%3apipfinite+trend

changes direction.

As an example I open a buy order GBPUSD manually. The indicator then changes to sell at some point, then the open order should be closed automatically.

With the EA, only the period of the indicator has to be set. I have a code snippet of the indicator TrendPro