api-docs/docs/browser-tracker/markdown/browser-tracker.structuredevent.md
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[Home](./index.md) > [@snowplow/browser-tracker](./browser-tracker.md) > [StructuredEvent](./browser-tracker.structuredevent.md)
## StructuredEvent interface
A Structured Event A classic style of event tracking, allows for easier movement between analytics systems. A loosely typed event, creating a Self Describing event is preferred, but useful for interoperability.
<b>Signature:</b>
```typescript
interface StructuredEvent
```
## Properties
| Property | Type | Description |
| --- | --- | --- |
| [action](./browser-tracker.structuredevent.action.md) | string | |
| [category](./browser-tracker.structuredevent.category.md) | string | |
| [label?](./browser-tracker.structuredevent.label.md) | string | <i>(Optional)</i> |
| [property?](./browser-tracker.structuredevent.property.md) | string | <i>(Optional)</i> |
| [value?](./browser-tracker.structuredevent.value.md) | number | <i>(Optional)</i> |