let orgchart = new OrgChart(options);

{
  'id': 'rootNode', // It's a optional property which will be used as id attribute of node
  // and data-parent attribute, which contains the id of the parent node
  'className': 'top-level', // It's a optional property which will be used as className attribute of node.
  'nodeTitlePro': 'Lao Lao',
  'nodeContentPro': 'general manager',
  'relationship': relationshipValue, // Note: when you activate ondemand loading nodes feature,
  // you should use json datsource (local or remote) and set this property.
  // This property implies that whether this node has parent node, siblings nodes or children nodes.
  // relationshipValue is a string composed of three "0/1" identifier.
  // First character stands for wether current node has parent node;
  // Scond character stands for wether current node has siblings nodes;
  // Third character stands for wether current node has children node.
  'children': [ // The property stands for nested nodes. "children" is just default name you can override.
    { 'nodeTitlePro': 'Bo Miao', 'nodeContentPro': 'department manager', 'relationship': '110' },
    { 'nodeTitlePro': 'Su Miao', 'nodeContentPro': 'department manager', 'relationship': '111',
      'children': [
        { 'nodeTitlePro': 'Tie Hua', 'nodeContentPro': 'senior engineer', 'relationship': '110' },
        { 'nodeTitlePro': 'Hei Hei', 'nodeContentPro': 'senior engineer', 'relationship': '110' }
      ]
    },
    { 'nodeTitlePro': 'Yu Jie', 'nodeContentPro': 'department manager', 'relationship': '110' }
  ],
  'otherPro': anyValue
};