How to get -123 instead of 123?

[rossko57]

@halloween

And what´s the difference between var and val?

This might help

Variables in Rules what is wrong with this?

At the top of the rule define the variable and initialize it to something: var boolean isdark = false In your rules is where you really set it. In your rules you do not need to redefine it so do not use “var” or “val”: isdark = now.isBefore(daystart) || now.isAfter(dayend) Two important things: You must use “var” instead of “val”. A “val” is final meaning once you set it to somthing you can never change it. You can define a variable globally and set it locally. Assuming you want “isdark”…

@halloween

val Test = 0
if xxx {
val Test = 1
item_1.postUpdate(Test)
}

If you want to change Test, use var not val. Unless you want to create a new version of Test, don’t use var or val again. If you want Test to be consistent both inside and outside a {} block, use var or val to declare it outside the block.