MotionLink.isValid Property

Parent Object: MotionLink
Defined in namespace "adsk::fusion" and the header file is <Fusion/Components/MotionLink.h>

Description

Indicates if this object is still valid, i.e. hasn't been deleted or some other action done to invalidate the reference.

Syntax

"motionLink_var" is a variable referencing a MotionLink object.

# Get the value of the property.
propertyValue = motionLink_var.isValid
"motionLink_var" is a variable referencing a MotionLink object.
#include <Fusion/Components/MotionLink.h>

// Get the value of the property.
boolean propertyValue = motionLink_var->isValid();

Property Value

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

Version

Introduced in version November 2025