WC Vendors Pro - Add another file uploader to the add/edit product form

functions.php

/* WC Vendors Pro - Add another file uploader to upload a file with the ID in a meta key */
function custom_wcv_file_uploader( ){ 
	$value = get_user_meta( get_current_user_id(), 'wcv_custom_product_file1', true ); // Must match meta key used in line 8
	WCVendors_Pro_Form_Helper::file_uploader( array(  
		'header_text'		=> __('File uploader', 'wcvendors-pro' ), 
		'add_text' 			=> __('Add file', 'wcvendors-pro' ), 
		'remove_text'		=> __('Remove file', 'wcvendors-pro' ), 
		'image_meta_key' 	=> 'wcv_custom_product_file1', // Must match meta key used in line 3
		'save_button'		=> __('Add file', 'wcvendors-pro' ), 
		'window_title'		=> __('Select an Image', 'wcvendors-pro' ), 
		'value'				=> $value
		)
	);

}

// call this function in your product-edit.php template
<?php
custom_wcv_file_uploader();
?>