# Go-Live checklist
source: https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/prepare-to-launch/checklist/index.md

### Why a checklist? {#why-a-checklist}

We realize that the Experience Design Guide provides a lot of information for your teams to digest. By including a Go-Live checklist, we help you cover all your bases before launching to your cardholders.

## UNDERSTAND {#understand}

> Get a solid understanding of how the product works.   

**How?**   

Read our "[Introduction](https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/index.md)" section and for deeper understanding of our DDMC playbook, download the PDF.

## DESIGN {#design}

> Get knowledge of the full end-to-end product experience by understanding how our users will flow through the product.  

**How?**   

Walk through the master "[Flow diagram](https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/design/flow-diagram/index.md)" to see at a glance how the product flows.
> Get to know the "Moments that Matter" or the key points in the product journey for the user.   

**How?**   

Study the highlights in the [Product journey](https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/moments-that-matter/index.md).
> Get familiar with our detailed user experience (UX) journeys.  

**How?**   

View the [UX journeys.](https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/design/index.md)
> Get a refresher on how to support the Mastercard brand.  

**How?**   

Familiarize yourself with our brand [Implementation guide.](https://brand.mastercard.com/brandcenter.html)

## PREPARE FOR LAUNCH {#prepare-for-launch}

> Ensure you have your metrics prepared before you launch. These will help you measure how effective your product is.  

**How?**   

Read our guide to find out what you need to test for when you launch.
> Get guidance on setting up your pre-market consumer testing plan.  

**How?**   

Download and review our testing plan.
[DDMC_TestingPlan.pdf](https://static.developer.mastercard.com/content/digital-debit-experience-design-guide/uploads/DDMC_TestingPlan.pdf) (26KB)

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Next: [Resources](https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/resources/index.md)