Within an OLAP DML program, the ARGCOUNT function returns the number of arguments that were specified when the current program was invoked.
Example 7-21 Checking the Number of Arguments
In the following example, the program, a user-defined function, verifies that three arguments are passed. When the number of arguments passed is not equal to 3, the program terminates with -1 as a return value.
DEFINE threearg PROGRAM INTEGER
LD User-defined function expecting three arguments
PROGRAM
ARGUMENT division TEXT
ARGUMENT product TEXT
ARGUMENT month MONTH
IF ARGCOUNT NE 3
THEN RETURN -1
ELSE
DO
...