- TIBCO BusinessEvents®
- CEP Store
- Store
- Container
- Ignite

# Store.Container.Ignite.setContainerKeyField()

## Signature

`void setContainerKeyField (String url, String containerName, String keyFieldNames)`

## Domain

ACTION

## Description

Set the mandatory Key Field Name that is to be used as Key for cache operations.eg. setContainerKeyField(url,containerName,"key1,key2")

## Parameters

Name | Type | Description
--- | --- | ---
`url` | `String` | Url of the Store
`containerName` | `String` | Name of the Container(i.e. Cache Name)
`keyFieldName` | `String` | Name of the Field... that is to be used as Key field for Cache corresponding to this Container eg key1,key2

## Returns

Type | Description
--- | ---
`void` |

## Cautions

none