/// <summary> /// This is the method that actually does the work. /// </summary> /// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param> protected override void SolveInstance(IGH_DataAccess DA) { StructureType str = new StructureType(); if (!DA.GetData(0, ref str)) { return; } double mass = str.GetMass(); DA.SetData(0, mass); }