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Add unique_id attribute detail (#563)
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io> Co-authored-by: Tom Brien <TomBrien@users.noreply.github.com>
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@ -3,7 +3,7 @@ title: Entity Registry
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sidebar_label: Introduction
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sidebar_label: Introduction
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The entity registry is a registry where Home Assistant keeps track of entities. Any entity that is added to Home Assistant and has a unique ID will be registered in the registry.
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The entity registry is a registry where Home Assistant keeps track of entities. Any entity that is added to Home Assistant which specifies the [`unique_id` attribute](/core/entity.md#generic-properties) will be registered in the registry.
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Being registered has the advantage that the same entity will always get the same entity ID. It will also prevent other entities from using that entity ID.
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Being registered has the advantage that the same entity will always get the same entity ID. It will also prevent other entities from using that entity ID.
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