WithDynamicsproperty.cs

DynamicSimSet dynInst = (dynamic)new ObjectInstance("SimSet", "TestObject3")
 {
    Dynamics =
    {
       Fish1 = "TestVal"
    }
 };

 DynamicSimObject dynSim = (dynamic)new SimObjectInstance("TestObject4")
 {
    Dynamics =
    {
       Fish1 = "TestVal2"
    }
 };

 DynamicSimObject dynSFX = (dynamic) new SFXSourceInstance(_name: "TestObject5",
    _statusCallback: "Callback")
 {
    Dynamics =
    {
       Fish1 = "TestVal3"
    }
 };
 dynInst.add(dynSFX.ID);
 dynamic id = (TorqueID) dynInst.getObject(0);
 omni.Util._echo(dynInst.Dynamics.Fish1 + " " + dynSim.Dynamics.Fish1 + " " + ((DynamicSimObject)id).Dynamics.Fish1);

WithoutDynamicsProperty.cs

 SimSet setInst = (dynamic)new ObjectInstance("SimSet", "TestObject1")
 {
    Dynamics =
    {
       Fish1 = "TestVal"
    }
 };

 SimObject inst = (dynamic)new SimObjectInstance("TestObject2")
 {
    Dynamics =
    {
       Fish1 = "TestVal2"
    }
 };
 setInst.add(inst);
 omni.Util._echo(setInst["Fish1"] + " " + inst["Fish1"] + " " + ((SimObject)setInst.getObject(0))["Fish1"]);

 // Alternative to:
 ObjectCreator objectCreator1 = new ObjectCreator("SimSet", "TestObject6");
 objectCreator1["Fish1"] = "TestVal2";
 ObjectCreator objectCreator2 = new ObjectCreator("SimObject", "TestObject7");
 objectCreator2["Fosj1"] = "TestVal2";
 objectCreator1["#object1"] = objectCreator2;
 setInst = objectCreator1.Create();
 omni.Util._echo(setInst["Fish1"] + " " + ((SimObject)setInst.getObject(0))["Fish1"]);