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Site updated at 2017-07-29 22:06:40 UTC

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docs/configuration/yaml/index.html
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@ -116,6 +116,18 @@ The other properties (like name) are specified using mappings. Note that the sec
<span class="s">state_topic</span><span class="pi">:</span> <span class="s">sensor2/topic</span>
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<h3><a class="title-link" name="using-environment-variables" href="#using-environment-variables"></a> Using Environment Variables</h3>
<p>You can include values from your system’s environment variables with <code class="highlighter-rouge">!env_var</code>.</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="s">http</span><span class="pi">:</span>
<span class="s">api_password</span><span class="pi">:</span> <span class="kt">!env_var</span> <span class="s">PASSWORD</span>
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<h4>Default Value</h4>
<p>If an environment variable is not set, you can fallback to a default value.</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="s">http</span><span class="pi">:</span>
<span class="s">api_password</span><span class="pi">:</span> <span class="kt">!env_var</span> <span class="s">PASSWORD default_password</span>
</code></pre>
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