How are subroutines defined in Qlik scripts?

In Qlik Sense scripts, subroutines are defined using the SUB and END SUB statements. This allows the script to encapsulate a sequence of commands that can be reused multiple times throughout the script. By defining a subroutine this way, you can improve the maintainability and organization of your script, as you can group related instructions together and call them whenever needed.

The SUB statement begins the definition of a subroutine, and the following commands within the block become part of that subroutine. The END SUB statement signifies the conclusion of that subroutine. Once defined, you can invoke the subroutine from anywhere in the script, enhancing modular programming practices.

In contrast, the other options reflect different concepts not applicable for defining subroutines in Qlik scripts. For example, the CALL and END CALL statements are used for executing other scripts or calling external scripts but do not define subroutines themselves. The DEFINE and END DEFINE statements are used for defining variables and are not relevant to subroutines. Finally, FUNCTION and END FUNCTION define functions, which are distinct from subroutines in their functionality and usage within Qlik scripts.