In the General Rules help section
Posted: Wed Jun 21, 2017 5:08 pm
There is :
Rather confusing, so this would be better :Functions
All functions must be followed by a ( or else it will not be considered as a function, (even for null parameter functions).
There is also another mention of functions (rather than procedures) near the end of the page.Procedures
All Procedures must be followed by a () - left and right parenthesise (even for procedures with no parameters) - or else it will not be considered as one