# Booking days

> The values of `data-action` inside `booking-calendar`.

Status: Ready (Smootify 2.0)  
URL: https://www.smootify.io/docs/reference/attributes/booking-nav  
Updated: 2026-10-13

## Where it can go

- **Inside** [`booking-calendar`](https://www.smootify.io/docs/reference/elements/booking-calendar).
- On a real `<button>` (a Webflow Button is a link, a Form Button an input).

## Values

| Attribute and value | What it is | Notes |
|---|---|---|
| `data-action="prev"` | Previous days | Disabled (disabled, is-disabled) on the range that starts today |
| `data-action="next"` | Next days | — |