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# init(routeDetails:handler:)

Creates a map panel item with route details.

```
init(routeDetails: [CPRouteDetail], handler: ((CPMapPanelItem, @escaping () -> Void) -> Void)? = nil)
```

## Parameters

`routeDetails`

The route detail that helps someone make an informed decision about their journey.

`handler`

A closure you use to respond when someone taps or selects the item. The closure takes the map panel item as a
parameter and returns no value. Specify `nil` if you don’t want to respond to interactions with the item.

## Return Value

A map panel item initialized with route details.

## Discussion

For this type of item, the map panel displays up to four route details per item.

---

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