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# Data reference atom

An atom that contains tabular data that instructs the data handler component how to access the media’s data.

## Topics

### Data fields

[`Size`](/documentation/quicktime-file-format/Media_data_reference_atom/Size)

A 32-bit integer that specifies the number of bytes in this data reference atom.

[`Type`](/documentation/quicktime-file-format/Media_data_reference_atom/Type)

A 32-bit integer that identifies the atom type.

[`Version`](/documentation/quicktime-file-format/Media_data_reference_atom/Version)

A 1-byte specification of the version of this data reference atom.

[`Flags`](/documentation/quicktime-file-format/Media_data_reference_atom/Flags)

A 3-byte space for data reference flags.

[`Number of entries`](/documentation/quicktime-file-format/Media_data_reference_atom/Number_of_entries)

A 32-bit integer containing the count of data references that follow.

[`Data references`](/documentation/quicktime-file-format/Media_data_reference_atom/Data_references)

An array of data references.


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