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diff --git a/APEX_1.4/include/iofx/IofxAsset.h b/APEX_1.4/include/iofx/IofxAsset.h
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+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+
+#ifndef IOFX_ASSET_H
+#define IOFX_ASSET_H
+
+#include "Apex.h"
+#include "ModifierDefs.h"
+
+namespace nvidia
+{
+namespace apex
+{
+
+PX_PUSH_PACK_DEFAULT
+
+#define IOFX_AUTHORING_TYPE_NAME "IOFX"
+
+class Modifier;
+class ApexActor;
+
+/**
+ \brief IOFX Asset public interface. Used to define the way the visual parameters are created
+		from physical parameters of a particle
+*/
+class IofxAsset : public Asset, public Context
+{
+public:
+	///get the name of the material used for sprite-based particles visualization
+	virtual const char*						getSpriteMaterialName() const = 0;
+
+	///get the number of different mesh assets used for mesh-based particles visualization
+	virtual uint32_t						getMeshAssetCount() const = 0;
+	
+	///get the name of one of the mesh assets used for mesh-based particles visualization
+	/// \param index mesh asset internal index
+	virtual const char*						getMeshAssetName(uint32_t index = 0) const = 0;
+	
+	///get the weight of one of the mesh assets used for mesh-based particles visualization. Can be any value; not normalized.
+	/// \param index mesh asset internal index
+	virtual uint32_t						getMeshAssetWeight(uint32_t index = 0) const = 0;
+
+	///get the list of spawn modifiers
+	virtual const Modifier*					getSpawnModifiers(uint32_t& outCount) const = 0;
+	
+	///get the list of continuous modifiers
+	virtual const Modifier*					getContinuousModifiers(uint32_t& outCount) const = 0;
+
+	///get the biggest possible scale given the current spawn- and continuous modifiers
+	///note that some modifiers depend on velocity, so the scale can get arbitrarily large.
+	/// \param maxVelocity this value defines what the highest expected velocity is to compute the upper bound
+	virtual float							getScaleUpperBound(float maxVelocity) const = 0;
+
+	///the IOFX asset needs to inform other actors when it is released
+	/// \note only for internal use
+	virtual void							addDependentActor(ApexActor* actor) = 0;
+};
+
+/**
+ \brief IOFX Asset Authoring public interface.
+ */
+class IofxAssetAuthoring : public AssetAuthoring
+{
+};
+
+PX_POP_PACK
+
+}
+} // namespace nvidia
+
+#endif // IOFX_ASSET_H