uage">
<h2>Service Customization Language<a class="headerlink" href="#service-customization-language" title="Permalink to this heading"></a></h2>
<section id="spec">
<h3>Spec<a class="headerlink" href="#spec" title="Permalink to this heading"></a></h3>
<p>A specification, or spec, is what services advertises to clients so that the client can build a UI. It’s how services encode what parameters that service expects - “I need a slider from 0 to 100” or “I need two sliders and a checkbox”. The 