Sets the mime type for the external data track. This will be the MIME type set on the
additional stream created for this Track, another convenient means of identification,
particularly for applications that do not support UUID as a means of identification.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-31 UTC."],[[["`Track` objects are used for configuring and recording data during AR session recording."],["A new `Track` is created with a session, and can be customized with an ID, metadata, and a mime type."],["Track IDs are crucial for retrieving data during playback and should be set using `setId()`."],["`setMetadata()` allows for adding arbitrary descriptive data to the track, while `setMimeType()` specifies the data type for external tracks."]]],[]]