isNull

Syntax	isNull(variable)	Package
Alias		Pkg Usage

Description

Checks if the provided variable is null or has no value associated then returns "true", otherwise returns "false".

Parameters

Parameter name	Type	Required	Description

Parameter name	Type	Required	Description
variable	Any	Yes	Value you want to test. Value argument can be a string or a variable of any type.

Return Type

Boolean (true/false)

Examples

Example 1

Checks whether the assignee was selected for a ticket.

if(isNull(assignee)) {
  assignee = reporter;
}

Example 2

The following line checks whether the Time Spent field contains any work logged on the ticket.

if(isNull(assignee)) {
  assignee = reporter;
}

You can also use the hasInput function to check whether certain fields were filled out during a workflow transition. And among those fields you can also check the work logged in particular.

If isNull returns "true" the variable has no value attached. isNull returns "false" for zero for numeric variables or blank for character/string.