In Sage X3, if you come across a scenario where you want to know count of fields defined in a particular screen, Sage X3 provides an inbuilt function to know number of fields defined within a particular screen.
You can use this function if and only if the screen is open.
Syntax:
masknbf(<class|num_exp>)
Where,
class – description of a screen
num_exp – numeric expression that describes a screen
Refer the below screenshot for better understanding.
Hope this helps.
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