Availability
This routine is available starting with katl-commons 1.0 .
Syntax
isNull(variable)
Description
Checks if the provided variable is null or has no value associated and returns true. Otherwise returns false.Parameters
Parameter name | Required | Description |
|---|---|---|
variable | Yes | The value that you want tested. The value argument can be a string or a variable of any type. |
Return type
boolean (true/false)
Examples
Example 1 - checking whether the assignee was selected for a ticket
if(isNull(assignee)) {
assignee = reporter;
}
Example 2 - checking whether work was logged on ticket
The following line checks whether the Time Spent field contains any work logged on the ticket.
isNull(timeSpent)
Alternatively, you can also use the hasInput routine 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.
Notes
If isNull returns true the variable has no value attached. isNull will return false for zero for numeric variables or blank for character/string
See also