Parameter than is used to define, for this entry transaction, if the Gross price field must be :
invisible :
The field does not appear in the entry screen but a value can be attributed to it by price list search.
displayed :
The value can be attributed to it by the price list search and is displayed. It cannot be modified.
entered :
The value can be attributed to it by the price list search and is displayed. It can be modified.
The default value assigned to the Gross price list depend on the results of the price list search.