Demo Sctucture

demo.js

    {
        "nodes": [
            {
                "id": 0, //Identifier
                "x": 646, // Node x coordinates
                "y": 122, // Node y coordinates
                "label": "Start", // Mark the start graph's 
                "symbolType": "diamond", // Shape node's
                "color": "red", // Color node's,
				"text": "The text of the node"
            },
           
        ],
        "links": [
            {
                "id": 0, // Identifier
                "source": 3, // From which node the link starts
                "target": 5, // To which node the link finishes
				"text": "The text of the link",
				"action": "x=x+1" // any computation that links perform

            },
  
    }