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# Self-service overview

> The self-service module lets customers complete a full sale on their own, on an unattended POS unit, without a salesperson attending to the checkout.

Self-service turns a POS unit into an unattended checkout: customers scan their own items, pay through a connected terminal, and the sale posts to Business Central without a salesperson operating the register. It's typically deployed on a dedicated device (for example, a Zebra kiosk) running Self-Service Minor Tom in kiosk mode, and it relies on a digital, rather than printed, receipt flow.

A self-service deployment touches several areas that need to be configured together:

* The **POS unit and its profiles** - POS Type, View Profile, End of Day Profile, Named Actions Profile, and Security Profile all need self-service-specific values.
* **Digital receipts** - since the unit is unattended, receipts are typically issued as a QR code or by email instead of print.
* **The device and its software** - the physical unit, Self-Service Minor Tom, the HW Connector, and Major Tom's kiosk mode.
* **The self-checkout URL** - what the device opens on start-up, and how it authenticates without a salesperson signing in.

## Where to start

* New deployment: follow [<ins>Deploy a self-service POS unit</ins>](/product/retail-self-service-deployment), which walks through all four areas above as one commissioning checklist.
* POS configuration only: see [<ins>Set up POS Self-Service Profile</ins>](/product/retail-pos-profiles-ss-profile-ss-profile).
* Device installation only: see [<ins>Install Self-service Minor Tom</ins>](/product/retail-gettingstarted-minor-tom-selfservice).
* Something isn't working: see [<ins>Self-Service Profile troubleshooting</ins>](/product/troubleshooting-ss-profile).

#### See also

* [<ins>Deploy a self-service POS unit</ins>](/product/retail-self-service-deployment)
* [<ins>Set up POS Self-Service Profile</ins>](/product/retail-pos-profiles-ss-profile-ss-profile)
* [<ins>POS Self-Service Actions</ins>](/product/retail-pos-profiles-ss-actions-ref)
* [<ins>Install Self-service Minor Tom</ins>](/product/retail-gettingstarted-minor-tom-selfservice)
* [<ins>Set up digital receipts</ins>](/product/retail-pos-processes-digital-receipts)
* [<ins>Self-service kiosk and operator flow (NP Hospitality)</ins>](/product/hospitality-self-service-kiosk-operator-flow) - a different, food-ordering kiosk web app in the Hospitality module