variable_is_not_null
    The following is a list of properties for the function variable_is_not_null:
| Property | Value | 
|---|---|
brief | Determine if a variable exists and is not null | 
category | miscellaneous | 
description | Return the true if the named variable exists and is not null. | 
functionId | variable_is_not_null | 
functionLabel | variable_is_not_null | 
parameters | [ { "dataType": "string", "description": "Name of variable to check. The name can optionally be preceded with a qualifier followed by \"::\".", "name": "name" } ] | 
returns | { "dataType": "boolean", "description": "True if variable exists and is not null." } |