13 lines
703 B
Markdown
13 lines
703 B
Markdown
---
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uid: arfoundation-participant-manager
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---
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# AR participant manager
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The participant manager is a type of [trackable manager](trackable-managers.md).
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A **participant** is a user in a multi-user collaborative session. This feature currently has limited platform support (ARKit only at the time of writing).
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Like all trackables, a participant can be identified by their `TrackableId`, which is unique to that participant. Participants can be added, updated, or removed, which corresponds to joining a collaborative session, updating the pose of the participant, and exiting a collaborative session, respectively.
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