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<title>Automation Templating - Home Assistant</title>
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<meta name="author" content="Paulus Schoutsen">
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<meta name="description" content="Advanced automation documentation using templating.">
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<h1 class="title indent">
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Automation Templating
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<hr class="divider">
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<p>In Home Assistant 0.19 we introduced a new powerful feature: variables in scripts and automations. This makes it possible to adjust your condition and action based on the information of the trigger.</p>
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<p>The trigger data made is available during template rendering as the <code>trigger</code> variable.</p>
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<div class="highlighter-coderay"><div class="CodeRay">
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<div class="code"><pre><span class="comment"># Example configuration.yaml entries</span>
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<span class="key">automation</span>:
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<span class="key">trigger</span>:
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<span class="key">platform</span>: <span class="string"><span class="content">state</span></span>
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<span class="key">entity_id</span>: <span class="string"><span class="content">device_tracker.paulus</span></span>
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<span class="key">action</span>:
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<span class="key">service</span>: <span class="string"><span class="content">notify.notify</span></span>
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<span class="key">data_template</span>:
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<span class="key">message</span>: <span class="string"><span class="delimiter">></span><span class="content">
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Paulus just changed from {{ trigger.from_state.state }}
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to {{ trigger.to_state.state }}</span></span>
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<span class="key">automation 2</span>:
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<span class="key">trigger</span>:
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<span class="key">platform</span>: <span class="string"><span class="content">mqtt</span></span>
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<span class="key">topic</span>: <span class="string"><span class="content">/notify/+</span></span>
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<span class="key">action</span>:
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<span class="key">service_template</span>: <span class="string"><span class="delimiter">></span><span class="content">
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notify.{{ trigger.topic.split('/')[-1] }}</span></span>
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<span class="key">data_template</span>:
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<span class="key">message</span>: <span class="string"><span class="content">{% raw %}{{ trigger.payload }}</span></span>
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</pre></div>
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</div>
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</div>
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<h3><a class="title-link" name="available-trigger-data" href="#available-trigger-data"></a> Available Trigger Data</h3>
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<p>The following tables show the available trigger data per platform.</p>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>event</code>.</td>
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</tr>
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<tr>
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<td><code>trigger.event</code></td>
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<td>Event object that matched.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>mqtt</code>.</td>
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</tr>
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<tr>
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<td><code>trigger.topic</code></td>
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<td>Topic that received payload.</td>
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</tr>
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<tr>
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<td><code>trigger.payload</code></td>
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<td>Payload.</td>
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</tr>
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<tr>
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<td><code>trigger.qos</code></td>
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<td>QOS of payload.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>numeric_state</code></td>
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</tr>
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<tr>
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<td><code>trigger.entity_id</code></td>
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<td>Entity ID that we observe.</td>
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</tr>
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<tr>
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<td><code>trigger.below</code></td>
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<td>The below treshold, if any.</td>
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</tr>
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<tr>
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<td><code>trigger.above</code></td>
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<td>The above treshold, if any.</td>
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</tr>
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<tr>
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<td><code>trigger.from_state</code></td>
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<td>The previous state of the entity.</td>
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</tr>
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<tr>
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<td><code>trigger.to_state</code></td>
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<td>The new state that triggered trigger.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>state</code></td>
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</tr>
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<tr>
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<td><code>trigger.entity_id</code></td>
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<td>Entity ID that we observe.</td>
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</tr>
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<tr>
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<td><code>trigger.from_state</code></td>
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<td>The previous state of the entity.</td>
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</tr>
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<tr>
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<td><code>trigger.to_state</code></td>
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<td>The new state that triggered trigger.</td>
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</tr>
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<tr>
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<td><code>trigger.for</code></td>
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<td>Timedelta object how long state has been to state, if any.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>sun</code></td>
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</tr>
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<tr>
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<td><code>trigger.event</code></td>
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<td>The event that just happened: <code>sunset</code> or <code>sunrise</code>.</td>
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</tr>
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<tr>
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<td><code>trigger.offset</code></td>
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<td>Timedelta object with offset to the event, if any.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>template</code></td>
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</tr>
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<tr>
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<td><code>trigger.entity_id</code></td>
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<td>Entity ID that caused change.</td>
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</tr>
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<tr>
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<td><code>trigger.from_state</code></td>
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<td>Previous state of entity that caused change.</td>
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</tr>
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<tr>
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<td><code>trigger.to_state</code></td>
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<td>New state of entity that caused template to change.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>time</code></td>
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</tr>
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<tr>
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<td><code>trigger.now</code></td>
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<td>DateTime object that triggered the time trigger.</td>
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</tr>
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</tbody>
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</table>
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<table>
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<thead>
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<tr>
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<th>Template variable</th>
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<th>Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>trigger.platform</code></td>
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<td>Hardcoded: <code>zone</code></td>
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</tr>
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<tr>
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<td><code>trigger.entity_id</code></td>
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<td>Entity ID that we are observing.</td>
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</tr>
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<tr>
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<td><code>trigger.from_state</code></td>
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<td>Previous state of the entity.</td>
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</tr>
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<tr>
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<td><code>trigger.to_state</code></td>
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<td>New state of the entity.</td>
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</tr>
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<tr>
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<td><code>trigger.zone</code></td>
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<td>State object of zone</td>
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</tr>
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<tr>
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<td><code>trigger.event</code></td>
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<td>Event that trigger observed: <code>enter</code> or <code>leave</code>.</td>
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</tr>
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</tbody>
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</table>
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</article>
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</div>
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<div class='edit-github'><a href='https://github.com/home-assistant/home-assistant.io/tree/master/source/getting-started/automation-templating.markdown'>Edit this page on GitHub</a></div>
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<div class='section'>
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<h1 class="title delta">Getting Started Guide</h1>
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<ul class='divided sidebar-menu'>
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<li>
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<a href='/getting-started/'>Installation </a>
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<ul>
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<li><a href='/getting-started/installation-raspberry-pi/'>Raspberry Pi </a></li>
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<li><a href='/getting-started/installation-raspberry-pi-all-in-one/'>Raspberry Pi All-In-One Installer </a></li>
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<li><a href='/getting-started/installation-docker/'>Docker </a></li>
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<li><a href='/getting-started/installation-synology/'>Synology NAS </a></li>
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<li><a href='/getting-started/installation-virtualenv/'>VirtualEnv Linux </a></li>
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<li><a href='/getting-started/troubleshooting/'>Troubleshooting </a></li>
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</ul>
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</li>
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<li>
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Configuration
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<ul>
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<li><a href='/getting-started/configuration/'>Configuration.yaml </a></li>
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<li><a href='/getting-started/devices/'>Setting up devices </a></li>
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<li><a href='/getting-started/customizing-devices/'>Customizing devices and services </a></li>
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<li><a href='/getting-started/presence-detection/'>Presence Detection </a></li>
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<li><a href='/getting-started/troubleshooting-configuration/'>Troubleshooting </a></li>
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</ul>
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</li>
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<li>
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<a href='/getting-started/automation/'>Automation </a>
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<ul>
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<li><a href='/getting-started/automation-create-first/'>Tutorial </a></li>
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<li><a href='/getting-started/automation-trigger/'>Triggers </a></li>
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<li><a href='/getting-started/automation-condition/'>Conditions </a></li>
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<li><a href='/getting-started/automation-action/'>Actions </a></li>
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<li><a class='active' href='/getting-started/automation-templating/'>Templates </a></li>
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</ul>
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</li>
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<li>
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<a href='/getting-started/scripts/'>Scripts </a>
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<ul>
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<li><a href='/getting-started/scripts-service-calls/'>Service Calls </a></li>
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<li><a href='/getting-started/scripts-conditions/'>Conditions </a></li>
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</ul>
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</li>
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<li>
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<a href='/getting-started/autostart/'>Auto-start Home Assistant </a>
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<ul>
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<li><a href='/getting-started/autostart-systemd/'>Linux - systemd </a></li>
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<li><a href='/getting-started/autostart-upstart/'>Linux - Upstart </a></li>
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<li><a href='/getting-started/autostart-macos/'>OS X </a></li>
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<li><a href='/getting-started/autostart-synology/'>Synology NAS </a></li>
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</ul>
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</li>
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<li><a href='/topics/'>Advanced Topics</a></li>
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<li><a href='/getting-started/android/'>Add to Android Homescreen </a></li>
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</ul>
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</div>
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</section>
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