# GoJS in 12 Minutes Video Code

           var $ = go.GraphObject.make;
           myDiagram = $(go.Diagram, "myDiagramDiv");
           var nodeDataArray = [
               { key: "Alpha", color: "lime" },
               { key: "Beta", color: "cyan" },
               { key: "Zeta", isGroup: true },
               { key: "Delta", color: "pink", group: "Zeta" },
               { key: "Gamma", color: "maroon", group: "Zeta" }
           ];
           var linkDataArray = [
               { to: "Beta", from: "Alpha", color: "red" },
               { to: "Zeta", from: "Alpha" }
           ];
           myDiagram.model = new go.GraphLinksModel(nodeDataArray, linkDataArray);

           myDiagram.nodeTemplate =
           $(go.Node, "Auto",
               $(go.Shape, "RoundedRectangle", { fill: "white", },
                   new go.Binding("fill", "color")
               ),
               $(go.TextBlock, "text", { margin: 10 },
                   new go.Binding("text", "key")
               )
           );

           myDiagram.linkTemplate =
           $(go.Link,
               $(go.Shape, { strokeWidth: 3 },
                   new go.Binding("stroke", "color")),
               $(go.Shape,
               { toArrow: "Standard", stroke: null },
                   new go.Binding("fill", "color"))
           );