P3D v4 Determining of switch direction

Hi, I have a switch with several positions.
I need now to know if the switch was turned up or down in a xml gauge.
I have a (l:switch pos,number) with Range 0-4.
I think I need some kind of timer?
 
Here's 2 different versions that may help.
XML:
<!-- 2 L:vars to hold direction -->
<Update>
    <!-- INI TO CURRENT POSITION -->
    (G:Var1) 0 == if{
        (L:switch pos, number) (>L:old switch pos, number)
        1 (>G:Var1)
    }
    
    (L:switch pos, number) (L:old switch pos, number) != if{
        (L:switch pos, number) (L:old switch pos, number) &gt; if{
            1 (>L:switch went up, bool) 0 (>L:switch went down, bool)
        } els{
            0 (>L:switch went up, bool) 1 (>L:switch went down, bool)  
        }
        (L:switch pos, number) (>L:old switch pos, number)
    }
</Update>

<!-- L:switch direction, number | 0 = invalid (never moved yet), 1 = went up, 2 went down -->
<Update>
    <!-- INI TO CURRENT POSITION -->
    (G:Var1) 0 == if{
        (L:switch pos, number) (>L:old switch pos, number)
        1 (>G:Var1)
    }
    
    (L:switch pos, number) (L:old switch pos, number) != if{
        (L:switch pos, number) (L:old switch pos, number) &gt; if{
            1
        } els{
            2  
        }
        (>L:switch direction, number)
        (L:switch pos, number) (>L:old switch pos, number)
    }
</Update>
 
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