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  "title" : "Track profile atom ('prfl')"
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# Track profile atom ('prfl')

A child atom of movie atoms or track atoms.

## Overview

Profile atoms can be children of movie atoms or track atoms. For details on profile atoms, see [`Movie profile atom`](/documentation/quicktime-file-format/Movie_profile_atom).

## Topics

### Data fields

[`Reserved`](/documentation/quicktime-file-format/Track_profile_atom/Reserved)

A 32-bit field.

[`Part-ID`](/documentation/quicktime-file-format/Track_profile_atom/Part-ID)

A 32-bit field that defines the feature as being either brand-specific or universal.

[`Feature code`](/documentation/quicktime-file-format/Track_profile_atom/Feature_code)

A 32-bit unsigned integer that represents a code specifying a feature.

[`Value`](/documentation/quicktime-file-format/Track_profile_atom/Value)

A 32-bit field that represents a value related to a feature.


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