---
title: requiredBillingContactFields
framework: passkit
role: symbol
role_heading: Instance Property
path: passkit/pkpaymentrequest/requiredbillingcontactfields
---

# requiredBillingContactFields

A list of fields that you need for a billing contact to process the transaction.

## Declaration

```swift
var requiredBillingContactFields: Set<PKContactField> { get set }
```

## Discussion

Discussion See PKContactField for the list of possible contact fields.

## See Also

### Requesting billing and shipping contact fields

- [requiredShippingContactFields](passkit/pkpaymentrequest/requiredshippingcontactfields.md)
- [PKContactField](passkit/pkcontactfield.md)