public override void InitNodeTemplates(INodeTemplateFactory factory) { factory.AddSettingsEntry("Longitude", null, "Geo", PropertyTemplateType.Numeric, true); factory.AddSettingsEntry("Latitude", null, "Geo", PropertyTemplateType.Numeric, true); var valueDouble = factory.GetSetting("Latitude").ValueDouble; if (valueDouble != null) { Latitude = valueDouble.Value; var d = factory.GetSetting("Longitude").ValueDouble; if (d != null) { Longitude = d.Value; } } }