# "open" event

> Our window opened.

Source: https://docs.tryyoursize.com/reference/web/event-open/

*Event* · `@tryyoursize/sdk`

Our window opened.

```ts
open: { elementType: ElementType };
```

## Payload

- **`elementType`** (`"fit" | "button" | "sizeGuide"`, required): Which element opened it.

## Example

**JavaScript**

```js
guide.on("open", () => analytics.track("size_guide_open"));
```

**React**

```tsx
<SizeGuide product="SKU-123" onOpen={() => track("size_guide_open")} />
```

**HTML**

```html
el.addEventListener("tys:open", () => track("size_guide_open"));
```