# How to set a minimum number of participants required to book a service?
{% hint style="info" %}
This is perfect if you want to require a minimum number of bookings or quests when making a booking
{% endhint %}
#### This could be for a variety of reasons such as:
* Group bookings
* Spa packages
* Restaurant reservations
* Event space rentals
### Steps to set a minimum number of participants required to make a booking
1. In your Shopify admin dashboard look at the left panel and click on **Apps.**
2. Click on **Cowlendar.**
3. Click on **Settings.**
4. Scroll down a bit and find **Quantity.**
5. **Enable** the quantity selector.
6. Click on **Add a service.**
7. **Add the service** you want to force a minimum quantity.
8. Set the **minimum.**
{% hint style="info" %}
Notice how the Minimum is 4 and the Maximum is 7. This means the customer will be forced to have a minimum quantity of 4 and can select up to 7 if needed.
{% endhint %}
9. Click **save** before leaving :innocent:.
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