---
title: isValid
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/nfcpresentmentintentassertion/isvalid
---

# isValid

A Boolean property that indicates whether the presentment intent assertion instance is still valid.

## Declaration

```swift
final var isValid: Bool { get }
```

## Discussion

Discussion This value is true when you first acquire a presentment intent assertion. It becomes false when any of the following occur: Your app goes into the background. The maximum presentment intention assertion duration expires.

## See Also

### Testing presentment intention validity

- [NFCPresentmentIntentAssertion.Error](corenfc/nfcpresentmentintentassertion/error.md)