---
title: dataType
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmutablemetadataitem/datatype
---

# dataType

The data type of the metadata item’s value.

## Declaration

```swift
var dataType: String? { get set }
```

## See Also

### Accessing values

- [value](avfoundation/avmutablemetadataitem/value.md)
- [extraAttributes](avfoundation/avmutablemetadataitem/extraattributes.md)
- [stringValue](avfoundation/avmutablemetadataitem/stringvalue.md)
- [numberValue](avfoundation/avmutablemetadataitem/numbervalue.md)
- [dateValue](avfoundation/avmutablemetadataitem/datevalue.md)
- [dataValue](avfoundation/avmutablemetadataitem/datavalue.md)