Instance Method


Provides metadata to the capture session.


- (BOOL)appendTimedMetadataGroup:(AVTimedMetadataGroup *)metadata error:(NSError * _Nullable *)outError;



A timed group of metadata. To denote a period of no metadata, pass an empty AVTimedMetadataGroup.

Return Value

A Boolean value indicating if the group was appended successfully.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software