Can I use a standar Process Instruction Category or create one in order to obtain in the Process Instruction a text with some variable values? Which Proc. Inst. Category can works?
How can I make that the variable values follow a formula (that has a relationship with some characteristics or data from the order)?
1. Open the bottle and fill it with water.
2. Add 2 ml (value obtained from total pieces in the order / 10) of dark solution (value obtained from a characteristic).