title: how to set action to form in joomla modules
body: <p>this is my file structure in my modules</p>
  
  <pre><code>tmpl
      default.php
  helper.php
  mod_helloword.php
  mod_helloword.xml
  </code></pre>
  
  <p>i have this form in default.php file</p>
  
  <pre><code>&lt;form action="" method="post"
  enctype="multipart/form-data"&gt;
  &lt;label for="file"&gt;Filename:&lt;/label&gt;
  &lt;input type="file" name="file" id="file"&gt;&lt;br&gt;
  &lt;input type="submit" name="submit" value="Submit"&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>i want to pass it after click on submit to heper.php file
  in that form action attribute must set to what ?? </p>