# Scenario 3: One or all of the consumers PII data is not provided
source: https://developer.mastercard.com/mastercard-checkout-solutions/tutorial/first_time_ui/scenario-3/index.md

### Scenario 3: One or all of the consumers PII data is not provided {#scenario-3-one-or-all-of-the-consumers-pii-data-is-not-provided}

![First Time User](https://static.developer.mastercard.com/content/mastercard-checkout-solutions/documentation/tutorials-and-guides/ui-guide/img/fuu-img/default_new.png "First Time User IDLOOKUP ")
![First Time User](https://static.developer.mastercard.com/content/mastercard-checkout-solutions/documentation/tutorials-and-guides/ui-guide/img/fuu-img/3_new.png "First Time User PII email or mobile")

* Mastercard DCF screen asks consumers to fill up the missing data (email or mobile number or both) before finishing the checkout.
* The payment information is secured, and the consumer is redirected back to the Integrator.

<br />

> **Integration Notes**   
>
> In order for consumers to get this experience, integrators need to:
>
> * Pass either `PAYMENT_SETTINGS` OR `WITHIN_CHECKOUT` enum values as part of [customInputData](https://developer.mastercard.com/mastercard-checkout-solutions/documentation/sdk-reference/common-objects/index.md#custom-input-data).
> * Optionally pass email or mobile number as part of [consumer](https://developer.mastercard.com/mastercard-checkout-solutions/documentation/parameters/index.md#consumer).