I built an extension which works fine and I'm trying to make it work in my template but I don't know how to do and actually, I don't even know if it could work.

My code looks like:

class Easypost_extension_ext


    public $name        = 'Easypost extensions';
    public $version     = '1.0.0';
    public $description = 'Display shipment only if there is a product to send';
    public $docs_url    = 'https://ellislab.com/expressionengine/user-guide/';
    public $settings_exist = 'n';
    public $settings    = array();
    private $EE;
    private $apikey;

My function is called check_shipping and I'm trying to call it in my template in this way:

<select class="form-control" id="easypost" name="easypost">
    <option value="">

But I receive an error in my template. Is there any way to fix my problem?

1 Answer 1


You cannot use ext to call in template as plugin. You must have to create mod.easypost_extention.php file for that. Use this code inside that file.

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Easypost_extension
    public function __construct()


    function check_shipping()

        $tagdata    = ee()->TMPL->tagdata;
        $tagparams  = ee()->TMPL->tagparams;

        // Some code

        return ee()->TMPL->parse_variables_row($tagdata, $myArrayToParse);

You can gain more information from here. https://docs.expressionengine.com/latest/development/plugins.html

  • Thanks! What's the difference between tagdata and tagparams? Apr 3, 2018 at 13:00
  • 1
    you will get everything written between {exp:your:plugin} {/exp:your:plugin} in tagdata. In tagparams you will get array of each and every parameters you passed in your loop: {exp:plugin data="abc" entry="12" etc.} Apr 3, 2018 at 13:15

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