# Set Preferences
source: https://developer.mastercard.com/pay-with-rewards/documentation/use-cases/preferences/set-preferences/index.md

## Short description {#short-description}

This use case is used to update the user's PWR preferences. The user can activate PWR for pre-auth redemptions and set the maximum transaction amount. They can also choose to deactivate PWR after previously activating it.

## Sequence diagram {#sequence-diagram}

Diagram pwr-set-preferences

##### Following are the execution steps: {#following-are-the-execution-steps}

1. The consumer logs into the customer's app.
2. The customer authenticates the consumer.
3. The consumer updates their preferences.
4. The customer makes a PUT request to the /redeemers/{id}/preferences endpoint to update the consumer's preferences.
5. The request for updating the preferences has the following mandatory request parameters:
   * **id** : Unique identifier of the consumer
   * **redemption_type** : Redemption type should be PWR.
6. Mastercard Network API Gateway authenticates/authorizes the customer and routes the request to Pay with Rewards in the case of a valid customer.
7. The Pay with Rewards service validates the request parameters received via the `PUT /redeemers/{id}/preferences` endpoint.
8. The Pay with Rewards service updates the consumers preferences.
9. The Pay with Rewards service sends a response of 200 in the case of a successful update.
10. The Pay with Rewards service sends a response with a status code of 4xx/5xx in case of an invalid request.
11. The customer displays the consumer's preferences

## Endpoint {#endpoint}


API Reference: `PUT /redeemers/{id}/preferences`