- TIBCO BusinessEvents®
- Standard
- Collections
- SortedMap

# Collections.SortedMap.lastKey()

## Signature

`Object lastKey (Object map )`

## Domain

ACTION

## Description

Returns the last (highest) key currently in this map.

## Parameters

Name | Type | Description
--- | --- | ---
`map` | `Object` | Instance of SortedMap

## Returns

Type | Description
--- | ---
`Object` | The last (highest) key currently in this map.

## Cautions

none