Entities

Related guidance: concepts/entities, quickstarts/sensor-publisher, how-to/pli-entities, how-to/tracks-detections.

Runnable examples: publish_entity.py, watch_detections.py, watch_tracks.py.

Symbol	Summary
Entities	Observe and publish typed entities through supported MQTT v5 families.
Entity	Represent a timestamped entity and its current public attributes.
EntityIdentity	Identify an entity independently of its mutable state.
EntityEvent	Pair an entity update with its event time and decoded location.
EntityMetadata	Carry optional display hints and explicit JSON-valued extension data.
DisplayMetadata	Provide optional reader-facing display hints for an entity.
EntityCategory	Classify the domain represented by an entity.
EntityStatus	Describe whether an entity is currently active.
Affiliation	Classify an entity’s relationship to the reporting party.