<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.trader-get-unstable-period" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>trader_get_unstable_period</refname>
  <refpurpose>Get unstable period</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>trader_get_unstable_period</methodname>
   <methodparam><type>int</type><parameter>functionId</parameter></methodparam>
  </methodsynopsis>
  <para>
   Get unstable period factor for a particular function.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>functionId</parameter></term>
    <listitem>
     <para>
      Function ID the factor to be read for. <link xmlns="http://docbook.org/ns/docbook" linkend="trader.constants">TRADER_FUNC_UNST_*</link> series of constants should be used.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>Returns the unstable period factor for the corresponding function.</para>
 </refsect1>


</refentry>

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