# Addon Descriptor Object ```json { "id": "addonid", "namespace": "com.example", "version": "1.0.0" } ``` ## Required properties ### id This is the [ID](manifest.md#id) of the addon which this object describes. ### namespace This is the [namespace](../concepts/namespaces.md) of the addon which this object describes. It MUST be the [canonical namespace](../concepts/namespaces.md#canonical-namespaces). ### version This is the [version](manifest.md#version) of the addon.