- TIBCO BusinessEvents®
- Standard
- Collections
- Map

# Collections.Map.createTreeMapWithId()

## Signature

`Object createTreeMapWithId ( String mapId )`

## Domain

ACTION

## Description

Create and return instance of TreeMap for the given mapID. If the map already exists, return the existing Map.

## Parameters

Name | Type | Description
--- | --- | ---
`mapId` | `String` | The String ID of the map to create

## Returns

Type | Description
--- | ---
`Object` | Instance of TreeMap

## Cautions

none