# Config Var

Config Vars allow you to manage the configuration information provided to an app on Heroku.

## Actions

### `info`

`heroku.apps({app_id_or_name}).configVars().info({callback});`

Method | Path | Expected Status(es)
--- | --- | ---
GET | /apps/{app_id_or_name}/config-vars | 200

### `update`

`heroku.apps({app_id_or_name}).configVars().update({attributes}, {callback});`

Method | Path | Expected Status(es)
--- | --- | ---
PATCH | /apps/{app_id_or_name}/config-vars | 200



## Attributes

### `{key}`

*Key/value pair for dyno env.*

Example | Serialized? | Type
--- | --- | ---
`{value}` | true | string