# xsi_actiondelta.h File Reference

ActionDelta class declaration. More...

`#include <xsi_siobject.h>`
`#include <xsi_vector3.h>`

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## Namespaces
namespace | XSI
## Classes
class | ActionDelta
| The ActionDelta object tracks changes made on a parameter that is part of a reference model. Every ActionDelta contains one or more ActionDeltaItem objects, each of which represents a single change, or modification, to a referenced parameter. Each ActionDelta object has a specific type (see siModificationDeltaType) and each ActionDeltaItem it contains is of the same type. More...

## Detailed Description

ActionDelta class declaration.

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