oRoot = Application.ActiveSceneRoot

oCube = oRoot.AddGeometry("Cube", "MeshSurface")	

#Creating the first animation source

oSource = Application.StoreAction(oRoot, "cube.kine.local.posx,cube.kine.local.posy,cube.kine.local.posz", 1, "StoredStaticPose", 1, 1, 5, 0, 0)

#Creating the first clip

oClip = Application.AddClip(oRoot, oSource)	

for i in range(oClip.MappedItems.Count):

	oCurrMappedItem = oClip.MappedItems(i)

	oParam = oCurrMappedItem.Destination

	if oParam.FullName == "cube.kine.local.posy":

		Application.SetMappingRule(oClip.FullName + ".ActionClip",oParam,"frame",i+1)

		break

Application.LogMessage("The expression associated with the posy item is " +oCurrMappedItem.ClipEffectItem.Expression)