Add a icustom (free Indicator Flat Trend) in a free expert (MA)

I have a free Expert "Crossing of two iMA"

I search a programer  he add the free indicator  " Flat trend " 

In the data windows are 4 fields

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I need only UP/up  and Down /down signal

1.UP/UP

2-....-

3...  -

4 DOWN/Down

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These two issue implent in   the expert     1.Expert  buy only if "Flat Trend"  and up/up in the moment UP/up

Is the signal going to 2./ 3  then isn´t going the expert in long buy

and   2. sell Epert with the issue Down/Down  .              thanks in advance     Klaus