diff --git a/reference/uopz/functions/uopz-function.xml b/reference/uopz/functions/uopz-function.xml
index 71ef4e5c92..8820fe0b16 100644
--- a/reference/uopz/functions/uopz-function.xml
+++ b/reference/uopz/functions/uopz-function.xml
@@ -14,6 +14,7 @@
    <methodparam><type>string</type><parameter>class</parameter></methodparam>
    <methodparam><type>string</type><parameter>function</parameter></methodparam>
    <methodparam><type>Closure</type><parameter>handler</parameter></methodparam>
+   <methodparam choice="opt"><type>boolean</type><parameter>static</parameter></methodparam>
   </methodsynopsis>
   <methodsynopsis>
    <type>void</type><methodname>uopz_function</methodname>
@@ -53,6 +54,14 @@
      </para>
     </listitem>
    </varlistentry>
+   <varlistentry>
+    <term><parameter>static</parameter></term>
+    <listitem>
+     <para>
+ Set true to create static function, by default false
+     </para>
+    </listitem>
+   </varlistentry>
   </variablelist>
  </refsect1>