Register Helper Field Example - Incomplete Code

my_pmprorh_init.php

<?php
/*
 * Example of Register Helper fields. Code is incomplete. For complete coding solution, please see: https://www.paidmembershipspro.com/documentation/register-helper-documentation/code-examples/
 *
 */

	// Define the fields.
	$fields = array();
	$fields[] = new PMProRH_Field(
		'company',							// input name, will also be used as meta key
		'text',								// type of field
		array(
			'label'		=> 'Company',		// custom field label
			'size'		=> 40,				// input size
			'class'		=> 'company',		// custom class
			'profile'	=> true,			// show in user profile
			'required'	=> true,			// make this field required
			'levels'		=> array(1,2)	// only levels 1 and 2 should have the company field
		)
	);
	$fields[] = new PMProRH_Field(
		'referral',							// input name, will also be used as meta key
		'text',								// type of field
		array(
			'label'		=> 'Referral Code',	// custom field label
			'profile'	=> 'only_admin'		// only show in profile for admins
		)
	);