5 22 7 IS

5.22.7 IS

The IS command is used to check if the return parameter is a NULL reference. If the condition check is true then an OK status is returned or a status of NO is returned.

Syntax:

Command	Keyword	Value	Developer notes for Command/Keyword/Value
IS	NULL	*RETURN	Conditional.
	NOT_NULL	*RETURN	Conditional.

 

 

Example

 

IS NULL(*RETURN)

IS NOT_NULL(*RETURN)