Skip to main content

isNull

A Workflow Engine function that returns true if the value for a field within an object is null, is an empty object , {}, or is an empty array , []. See Alert and Event Field Reference and Event and Alert Field Best Practice for more information on object fields.

This function is available for event, alert, and Situation workflows.

Back to Workflow Engine Functions Reference.

Arguments

Workflow Engine function isNull takes the following arguments:

Name

Required

Type

Description

field

Yes

String

Object field.

Example

The following example demonstrates typical use of Workflow Engine function isNull.

{"field":"custom_info"}