How do configure a SNVT in Xbuilder to send only on change?

Issue

How do configure a SNVT in Xbuilder to send only on change?

Product Line

TAC Vista

Environment

TAC Xbuilder

Cause

Having a SNVT that you only want to send on change

Resolution

Set the period to 0 (zero).
This will configure the SNVT to send only on change.