Hi Armin,
Here is the solution .
Steps
In Field definition
1 Add ramount (result amount) under "Field" and 0TXTLG under "InfoObject Template"
In transformation goto ramount individual routine write below logic.
data : lv_amt(60) type c.
clear: lv_amt.
if source_package-amount LT 0.
if source_package-amount is not initial.
lv_amt = source_package-amount.
CONCATENATE '-' lv_amt into result.
CONDENSE resultNO-GAPS.
else
result = ''.
endif.
else.
result = source_package-amount.
CONDENSE resultNO-GAPS.
endif.
and execute DTP, you can -ve front of amount value.
Pls try this.
Thank you,
Nanda