{
  "_description": "Minimal tiled dashboard with two worksheets side by side",
  "_feature": "dashboard",
  "dashboard": {
    "type": "dashboard",
    "attrs": { "name": "Overview Dashboard" },
    "children": [
      {
        "type": "size",
        "attrs": {
          "sizing-mode": "fixed",
          "minwidth": "1200",  "maxwidth": "1200",
          "minheight": "800",  "maxheight": "800"
        }
      },
      {
        "type": "zones",
        "children": [
          {
            "type": "zone",
            "attrs": {
              "id": 2, "x": 0, "y": 0, "w": 1200, "h": 800,
              "type-v2": "layout-basic",
              "layout-strategy-id": "flow"
            },
            "children": [
              {
                "type": "zone",
                "attrs": {
                  "id": 3, "x": 0, "y": 0, "w": 1200, "h": 40,
                  "type-v2": "title"
                }
              },
              {
                "type": "zone",
                "attrs": {
                  "id": 4, "x": 0, "y": 40, "w": 600, "h": 760,
                  "type-v2": "visual",
                  "name": "Sheet 1"
                }
              },
              {
                "type": "zone",
                "attrs": {
                  "id": 5, "x": 600, "y": 40, "w": 600, "h": 760,
                  "type-v2": "visual",
                  "name": "Sheet 2"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "window": {
    "type": "window",
    "attrs": { "name": "Overview Dashboard", "class": "dashboard", "maximized": "true" },
    "children": [
      {
        "type": "viewpoints",
        "children": [
          { "type": "viewpoint", "attrs": { "name": "Sheet 1" } },
          { "type": "viewpoint", "attrs": { "name": "Sheet 2" } }
        ]
      },
      { "type": "active", "attrs": { "id": "-1" } }
    ]
  },
  "notes": {
    "zone_id_uniqueness": "Zone IDs must be unique across all dashboards in the workbook. Find max existing ID first.",
    "visual_zone_name": "The 'name' attribute on a visual zone must exactly match an existing worksheet name (case-sensitive).",
    "fixed_sizing_requires_equal_min_max": "For sizing-mode='fixed', minwidth MUST equal maxwidth and minheight MUST equal maxheight. Otherwise Tableau fires a CheckSizeValidity LogicAssert (DashboardSizePresModelBuilder.cpp:180) and rejects the workbook load. Use sizing-mode='automatic' to allow ranges.",
    "dashboard_window_viewpoints": "The <window class='dashboard'> element MUST contain a <viewpoints> child holding one bare <viewpoint name='SheetName' /> per included worksheet. Nesting full <window> elements inside <viewpoints> causes HasVisualDoc to fail in DashboardController_VisualControllers.cpp and the workbook load is rejected.",
    "sizing_mode_values": ["automatic", "fixed", "range", "vscroll"],
    "zone_type_values": ["layout-basic", "layout-flow", "visual", "text", "bitmap", "web", "filter", "paramctrl", "color", "shape", "size", "map", "title", "empty"],
    "layout_strategy_values": ["basic", "free-form", "flow", "distribute-evenly", "trivial"]
  }
}