Send custom field(s) from WordPress to Aweber through the PMPro Aweber addon

my_pmpro_aweber_custom_fields.php

<?php // do not copy this line

/*
 * This example sends two custom fields from WordPress to AWeber through the PMPro AWeber addon.
 * Go to Aweber to create your custom field(s)
 * Make sure the custom field in aweber matches the input name for your custom fields added via the Register Helper extension
 * Add this code to your active theme's functions.php or a custom plugin: https://www.paidmembershipspro.com/how-to-add-code-to-wordpress/
*/

 function my_pmpro_aweber_custom_fields( $fields, $user ) {

	// Set custom fields to add to Aweber
	$custom_fields = array( 'phone', 'qualification' );

	foreach ( $custom_fields as $field ) {
		$field_value = ! empty( $_REQUEST[ $field ] ) ? $_REQUEST[ $field ] : get_user_meta( $user->ID, $field, true );
		if ( ! empty( $field_value ) ) {
			$fields[ $field ] = $field_value;
		}
	}

	return $fields;
}
add_filter( 'pmpro_aweber_custom_fields', 'my_pmpro_aweber_custom_fields', 10, 2 );