---
title: isValid
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmtime/isvalid
---

# isValid

A Boolean value that indicates whether a time is valid.

## Declaration

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

## See Also

### Inspecting a Time

- [seconds](coremedia/cmtime/seconds.md)
- [hasBeenRounded](coremedia/cmtime/hasbeenrounded.md)
- [isNumeric](coremedia/cmtime/isnumeric.md)
- [isIndefinite](coremedia/cmtime/isindefinite.md)
- [isPositiveInfinity](coremedia/cmtime/ispositiveinfinity.md)
- [isNegativeInfinity](coremedia/cmtime/isnegativeinfinity.md)