GraphNodePin.isOptional Property

Parent Object: GraphNodePin
Defined in namespace "adsk::volume" and the header file is <Volume/Volumetric/GraphNodePin.h>

Description

Gets whether this pin is optional, so it does not need to be connected for the node to work. Only input pins can be optional; output pins always return false.

Syntax

"graphNodePin_var" is a variable referencing a GraphNodePin object.
# Get the value of the property.
propertyValue = graphNodePin_var.isOptional
"graphNodePin_var" Is a variable referencing a GraphNodePin Object.
#include <Volume/Volumetric/GraphNodePin.h>

// Get the value of the property.
boolean propertyValue = graphNodePin_var->isOptional();
"graphNodePin_var" Is a variable referencing a GraphNodePin Object.
// Get the value of the property.
propertyValue = graphNodePin_var.isOptional;

Property Value

This is a read only property whose value is a boolean.

Version

Introduced in version October 2026