# Cashier Restrictions

Cashier restrictions let merchants control **which cashiers can log into which terminals**. This is useful for multi-terminal setups where you want to assign specific staff to specific registers.

## How It Works

Each terminal has an optional **Allowed Cashiers** list:

* **No restrictions (default):** Any active cashier can log into the terminal.
* **Restricted:** Only cashiers on the allowed list can log in. Others will be rejected.

## Setting Up Restrictions

1. Go to **Dashboard > POS > Terminals**
2. Click **Edit** on the terminal you want to restrict
3. In the **Allowed Cashiers** section, toggle on the cashiers who should have access
4. Save changes

## Behavior

### When a terminal has NO restrictions

| Cashier             | Can log in? |
| ------------------- | ----------- |
| Any active cashier  | Yes         |
| Deactivated cashier | No          |

### When a terminal HAS restrictions

| Cashier             | On allowed list? | Can log in?                                                                          |
| ------------------- | ---------------- | ------------------------------------------------------------------------------------ |
| Active cashier      | Yes              | Yes                                                                                  |
| Active cashier      | No               | **No** -- gets error: "No cashiers assigned to this terminal. Contact your manager." |
| Deactivated cashier | Yes              | No                                                                                   |

## Visual Overview

|           | Register 1 (Restricted) | Register 2 (Open) |
| --------- | ----------------------- | ----------------- |
| **John**  | Allowed                 | Allowed           |
| **Sarah** | Allowed                 | Allowed           |
| **Mike**  | **BLOCKED**             | Allowed           |

*R1 only allows John and Sarah. R2 has no restrictions so everyone can use it. Mike is blocked from R1 but can use R2.*

## Login Decision Flow

> 1. Cashier enters PIN
> 2. Is PIN correct? **No** --> Denied: Invalid PIN
> 3. Is cashier active? **No** --> Denied: Account deactivated
> 4. Does terminal have restrictions? **No** --> Access granted
> 5. Is cashier on allowed list? **Yes** --> Access granted / **No** --> Denied: Not assigned to this terminal

## Common Setups

### Setup 1: All cashiers, all terminals (no restrictions)

Leave the **Allowed Cashiers** list empty on all terminals. Any cashier can work at any register.

### Setup 2: Dedicated cashiers per terminal

| Terminal              | Allowed Cashiers |
| --------------------- | ---------------- |
| R1 (Register 1)       | John, Sarah      |
| R2 (Register 2)       | Mike, Lisa       |
| DRIVE (Drive-through) | Dave             |

John and Sarah can only log into R1. Mike and Lisa can only log into R2. Dave can only use the drive-through terminal.

### Setup 3: Mix of restricted and open

| Terminal        | Allowed Cashiers              |
| --------------- | ----------------------------- |
| R1 (Register 1) | John, Sarah (restricted)      |
| R2 (Register 2) | *(no restrictions -- anyone)* |

R1 is locked to John and Sarah. R2 is open to all cashiers.

### Setup 4: Manager access everywhere

Create a manager cashier and add them to the allowed list of every restricted terminal. They can log into any terminal while regular cashiers stay restricted.

## Updating Restrictions

* Adding a cashier to the allowed list takes effect immediately for new logins
* Removing a cashier does **not** end their current session (they can finish their current work)
* Deactivating a cashier removes their access from all terminals regardless of restrictions


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