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<linkrel="search"type="application/opensearchdescription+xml"title="Frigate"href="/frigate/opensearch.xml"><titledata-react-helmet="true">MQTT | Frigate</title><metadata-react-helmet="true"name="twitter:card"content="summary_large_image"><metadata-react-helmet="true"name="docsearch:language"content="en"><metadata-react-helmet="true"name="docsearch:version"content="current"><metadata-react-helmet="true"name="docsearch:docusaurus_tag"content="docs-default-current"><metadata-react-helmet="true"property="og:title"content="MQTT | Frigate"><metadata-react-helmet="true"name="description"content="These are the MQTT messages generated by Frigate. The default topic_prefix is frigate, but can be changed in the config file."><metadata-react-helmet="true"property="og:description"content="These are the MQTT messages generated by Frigate. The default topic_prefix is frigate, but can be changed in the config file."><metadata-react-helmet="true"property="og:url"content="https://blakeblackshear.github.io/frigate/usage/mqtt"><linkdata-react-helmet="true"rel="shortcut icon"href="/frigate/img/favicon.ico"><linkdata-react-helmet="true"rel="preconnect"href="https://BH4D9OD16A-dsn.algolia.net"crossorigin="anonymous"><linkdata-react-helmet="true"rel="canonical"href="https://blakeblackshear.github.io/frigate/usage/mqtt"><linkrel="stylesheet"href="/frigate/styles.4dd8d972.css">
"online": published when frigate is running (on startup)
"offline": published right before frigate stops</p><h3><aaria-hidden="true"tabindex="-1"class="anchor enhancedAnchor_prK2"id="frigatecamera_nameobject_name"></a><code>frigate/<camera_name>/<object_name></code><aclass="hash-link"href="#frigatecamera_nameobject_name"title="Direct link to heading">#</a></h3><p>Publishes the count of objects for the camera for use as a sensor in HomeAssistant.</p><h3><aaria-hidden="true"tabindex="-1"class="anchor enhancedAnchor_prK2"id="frigatezone_nameobject_name"></a><code>frigate/<zone_name>/<object_name></code><aclass="hash-link"href="#frigatezone_nameobject_name"title="Direct link to heading">#</a></h3><p>Publishes the count of objects for the zone for use as a sensor in HomeAssistant.</p><h3><aaria-hidden="true"tabindex="-1"class="anchor enhancedAnchor_prK2"id="frigatecamera_nameobject_namesnapshot"></a><code>frigate/<camera_name>/<object_name>/snapshot</code><aclass="hash-link"href="#frigatecamera_nameobject_namesnapshot"title="Direct link to heading">#</a></h3><p>Publishes a jpeg encoded frame of the detected object type. When the object is no longer detected, the highest confidence image is published or the original image
is published again.</p><p>The height and crop of snapshots can be configured in the config.</p><h3><aaria-hidden="true"tabindex="-1"class="anchor enhancedAnchor_prK2"id="frigateevents"></a><code>frigate/events</code><aclass="hash-link"href="#frigateevents"title="Direct link to heading">#</a></h3><p>Message published for each changed event. The first message is published when the tracked object is no longer marked as a false_positive. When frigate finds a better snapshot of the tracked object or when a zone change occurs, it will publish a message with the same id. When the event ends, a final message is published with <code>end_time</code> set.</p><divclass="mdxCodeBlock_1zKU"><divclass="codeBlockContent_actS"><divtabindex="0"class="prism-code language-json codeBlock_tuNs thin-scrollbar"><divclass="codeBlockLines_3uvA"style="color:#bfc7d5;background-color:#292d3e"><divclass="token-line"style="color:#bfc7d5"><spanclass="token punctuation"style="color:rgb(199, 146, 234)">{</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"type"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token string"style="color:rgb(195, 232, 141)">"update"</span><spanclass="token punctuation"style="color:rgb(199, 146, 234)">,</span><spanclass="token plain"></span><spanclass="token comment"style="color:rgb(105, 112, 152);font-style:italic">// new, update, or end</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"before"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token punctuation"style="color:rgb(199, 146, 234)">{</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"id"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token string"style="color:rgb(195, 232, 141)">"1607123955.475377-mxklsc"</span><spanclass="token punctuation"style="color:rgb(199, 146, 234)">,</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"camera"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token string"style="color:rgb(195, 232, 141)">"front_door"</span><spanclass="token punctuation"style="color:rgb(199, 146, 234)">,</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"frame_time"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token number"style="color:rgb(247, 140, 108)">1607123961.837752</span><spanclass="token punctuation"style="color:rgb(199, 146, 234)">,</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"label"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token string"style="color:rgb(195, 232, 141)">"person"</span><spanclass="token punctuation"style="color:rgb(199, 146, 234)">,</span><spanclass="token plain"></span></div><divclass="token-line"style="color:#bfc7d5"><spanclass="token plain"></span><spanclass="token property">"top_score"</span><spanclass="token operator"style="color:rgb(137, 221, 255)">:</span><spanclass="token plain"></span><spanclass="token number"style="color:rgb(247, 140, 108)">0.958984375</span><spanclass="tokenpunctua