Instance Property

dataType

The data type of the metadata item's value.

Declaration

@property(nonatomic, readwrite, copy) NSString *dataType;

See Also

Configuring Metadata Values

value

The value for the mutable metadata item.

locale

The locale for a mutable metadata item.

time

The timestamp for a mutable metadata item.

duration

The duration of a mutable metadata item.

extraAttributes

A dictionary containing the metadata item’s additional attributes.

AVMetadataExtraAttributeKey

A value that defines extra attribute keys.

extendedLanguageTag

The IETF BCP 47 (RFC 4646) language identifier of the metadata item.

identifier

Indicates the identifier of the metadata item.

AVMetadataIdentifier

A value that defines the metadata identifiers for different file formats.

startDate

The start date of the timed metadata.