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[@salesforce/b2c-tooling-sdk](../../../modules.md) / [operations/mrt](../index.md) / updateEnv

# Function: updateEnv()

> **updateEnv**(`options`, `auth`): `Promise`\<\{ \}\>

Defined in: [packages/b2c-tooling-sdk/src/operations/mrt/env.ts:666](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/operations/mrt/env.ts#L666)

Updates an environment (target) in an MRT project.

Important: This endpoint automatically re-deploys the current bundle
if any of the SSR-related properties are changed.

## Parameters

### options

[`UpdateEnvOptions`](../interfaces/UpdateEnvOptions.md)

Environment update options

### auth

[`AuthStrategy`](../../../auth/interfaces/AuthStrategy.md)

Authentication strategy (ApiKeyStrategy)

## Returns

`Promise`\<\{ \}\>

The updated environment

## Throws

Error if update fails

## Example

```typescript
import { ApiKeyStrategy } from '@salesforce/b2c-tooling-sdk/auth';
import { updateEnv } from '@salesforce/b2c-tooling-sdk/operations/mrt';

const auth = new ApiKeyStrategy(process.env.MRT_API_KEY!, 'Authorization');

const updated = await updateEnv({
  projectSlug: 'my-storefront',
  slug: 'staging',
  name: 'Staging v2',
  enableSourceMaps: true
}, auth);
```