From Gravity Form List to ACF Repeater Field

functions.php

<?php 
/* Going from Gravity Form list to ACF Repeater functionality */

add_action( 'gform_after_submission_9', 'list_to_repeater', 1, 2 );
function list_to_repeater( $entry, $form ) {

/* Set the field ids for the custom list fields */
	$list_key = 'field_585ae03ad9aab';

/* get and unserialize the list */
	$list_ser = rgar($entry,'17');
	$list_unser = unserialize($list_ser);

/* Create the list arrays */
	foreach($list_unser as $single_item){
		$value[] = array(
/* 'full_name' and 'email' are the slugs you gave the ACF repeater fields */
			'full_name' => $single_item['Full Name'],
			'email' => $single_item['Email']
		); 

/* Update the list fields */
	update_field($list_key,$value,$orderid->ID);
}
?>