/div><p class="paragraph">Gets a property's value as a double. Integers will be converted to double. The value <code class="lang-kotlin">true</code> is returned as 1.0, <code class="lang-kotlin">false</code> as 0.0. Returns 0.0 if the property doesn't exist or does not have a numeric value.</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">the double value.</p></span><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":couchbase-lite-ktx/common