# CalculationFinished Event

### What is the CalculationFinished event?

The `CalculationFinished` event is a custom browser event that gets automatically dispatched when a calculation process completes. This event allows you to programmatically detect when calculations are done and access the results.

### When is this event triggered?

The event is fired immediately after any calculation finishes processing.

### How do I listen for this event?

You can listen for the `CalculationFinished` event using a standard event listener:

```javascript
window.addEventListener('CalculationFinished', (event) => {
  const result = event.detail;
  console.log('Calculation completed:', result);
  
  // Your custom logic here
  handleCalculationResult(result);
});
```

### What data does the event contain?

The calculation results are available in the `event.detail` property.

```json
[
    {
        "unit": {
            "svg": "<svg image>",
            "svgM": null,
            "zero": {
                "left": 457.015,
                "bottom": 563.5
            },
            "imageSize": {
                "width": 891,
                "height": 891
            },
            "name": "5m x 5m",
            "id": "<unit-id>",
            "unitDetails": {
                "id": "<unit-id>",
                "name": "5m x 5m",
                "unit": {
                    "ID": "unit-id",
                    "unitName": "5m x 5m",
                    "unitWidth": "5",
                    "unitHeight": "2.4",
                    "unitDepth": "5"
                },
                "dimensions": {
                    "width": 500,
                    "depth": 500,
                    "height": 240
                }
            }
        },
        "items": [
            {
                "id": "bbq",
                "x": -88.248457,
                "y": -80.79013988439307,
                "orientation": "turned",
                "scale": false,
                "width": 49.5,
                "volume": 0.50642262,
                "quantity": 1,
                "image": null
            }
        ],
        "totalItemsWeight": 908.4,
        "totalVolume": 15.765080274,
        "animationDone": true
    }
]
```

### Best Practices

* **Always add the event listener before initiating calculations** to ensure you don't miss the event.
* **Remove event listeners** when they're no longer needed to prevent memory leaks.

### Browser Compatibility

This feature uses the standard `CustomEvent` API, which is supported in all modern browsers. For older browser support, you may need a polyfill.


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