- TIBCO BusinessEvents®
- ActiveSpaces(Deprecated)
- Metaspace
- Tuple

# Metaspace.Tuple.put()

## Signature

`Object put (Object tuple, String key, Object value)`

## Domain

ACTION

## Description

Puts the Object value for the specified key into the Tuple

## Parameters

Name | Type | Description
--- | --- | ---
`tuple` | `Object` | Tuple Object
`key` | `String` | Object key
`value` | `Object` | Object value

## Returns

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

## Cautions

none