- TIBCO BusinessEvents®
- Standard
- Collections
- Map
- Concurrent

# Collections.Map.Concurrent.put()

## Signature

`Object put ( Object map, Object key, Object value )`

## Domain

ACTION

## Description

Associates the specified value with the specified key in this map.

## Parameters

Name | Type | Description
--- | --- | ---
`map` | `Object` | The Map object
`key` | `Object` | key with which the specified value is to be associated
`value` | `Object` | Value to be associated with the specified key

## Returns

Type | Description
--- | ---
`Object` | The previous value associated with key, or null if there was no mapping for key.

## Cautions

none