# addons 插件檢測 ## 插件檢測標簽 用于檢測插件是否安裝 > HkCms\_v2.2.1.20220603版本起 ## 參數 參數名稱可選值默認值是否必填說明name--是插件標識，可在插件詳情頁，或安裝插件后看到標識id-$item-指定循環里的變量名，例如id='obj'，模板調用如：{$item.title} 變成 {$obj.title}## 簡單示例 檢測標簽插件是否安裝，例如標簽插件，安裝后才執行里面的標簽列表獲取 ``` <pre class="calibre20">``` <span class="token1">{</span>hkcms<span class="token1">:</span>addons name<span class="token">=</span><span class="token4">"tags"</span><span class="token1">}</span> <span class="token"><</span><span class="token">!</span><span class="token">--</span><span class="token5">// 需要安裝tags插件，上面檢測到安裝了tags標簽，這里才會被執行。--></span> <span class="token1">{</span>hkcms<span class="token1">:</span>taglist arcid<span class="token">=</span><span class="token4">"$Info['id']"</span> model<span class="token">=</span><span class="token4">"$Info['model_id']"</span><span class="token1">}</span> <span class="token"><</span>a href<span class="token">=</span><span class="token4">"{$item.url}"</span><span class="token">></span><span class="token1">{</span>$item<span class="token1">.</span>title<span class="token1">}</span><span class="token"><</span><span class="token">/</span>a<span class="token">></span> <span class="token1">{</span><span class="token">/</span>hkcms<span class="token1">:</span>taglist<span class="token1">}</span> <span class="token1">{</span><span class="token">/</span>hkcms<span class="token1">:</span>addons<span class="token1">}</span> ``` ```