This function is used by Ignition's Expression language.

Tests to see whether or not the argument value is null or not. You can also check for null by simply comparing the value to the null keyword. isNull(x) is the same as x = null.


  • Parameters

Object value - A value to check if it is null.

  • Results

Boolean - True if the value is null; False if it is not.

Code Snippet
//Returns "Value is Null" if the property is null, and the value otherwise.
if(isNull({Root Container.MyProperty}), "Value is Null", {Root Container.MyProperty})
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