root level of any service spec is a dictionary so that parameters can be added in the future with ease.</p>
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<section id="parameter">
<h3>Parameter<a class="headerlink" href="#parameter" title="Permalink to this heading"></a></h3>
<p>Parameters are instantiations of Specs. Where a spec says: “I need a slider from 0 to 100 titled threshold”, a parameter says “threshold: 58”. It’s result of a spec after it’s been turned into a UI, and a user has wiggled knobs.</p>
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